ES479235A1 - Perfeccionamientos en sistemas de control de disparo de ex- plosivos para activar de una forma selectiva una pluralidad de cebos elctricos. - Google Patents
Perfeccionamientos en sistemas de control de disparo de ex- plosivos para activar de una forma selectiva una pluralidad de cebos elctricos.Info
- Publication number
- ES479235A1 ES479235A1 ES479235A ES479235A ES479235A1 ES 479235 A1 ES479235 A1 ES 479235A1 ES 479235 A ES479235 A ES 479235A ES 479235 A ES479235 A ES 479235A ES 479235 A1 ES479235 A1 ES 479235A1
- Authority
- ES
- Spain
- Prior art keywords
- timing
- load
- time interval
- separate
- delay device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
- H03K5/13—Arrangements having a single output and transforming input signals into pulses delivered at desired time intervals
- H03K5/131—Digitally controlled
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B3/00—Blasting cartridges, i.e. case and explosive
- F42B3/10—Initiators therefor
- F42B3/12—Bridge initiators
- F42B3/121—Initiators with incorporated integrated circuit
- F42B3/122—Programmable electronic delay initiators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
- F42D1/04—Arrangements for ignition
- F42D1/045—Arrangements for electric ignition
- F42D1/05—Electric circuits for blasting
- F42D1/055—Electric circuits for blasting specially adapted for firing multiple charges with a time delay
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/02—Generating seismic energy
- G01V1/04—Details
- G01V1/06—Ignition devices
- G01V1/08—Ignition devices involving time-delay devices
-
- G—PHYSICS
- G04—HOROLOGY
- G04F—TIME-INTERVAL MEASURING
- G04F1/00—Apparatus which can be set and started to measure-off predetermined or adjustably-fixed time intervals without driving mechanisms, e.g. egg timers
- G04F1/005—Apparatus which can be set and started to measure-off predetermined or adjustably-fixed time intervals without driving mechanisms, e.g. egg timers using electronic timing, e.g. counting means
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Remote Sensing (AREA)
- General Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- Acoustics & Sound (AREA)
- Environmental & Geological Engineering (AREA)
- Geology (AREA)
- Nonlinear Science (AREA)
- Geophysics (AREA)
- Measurement Of Unknown Time Intervals (AREA)
- Electronic Switches (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Air Bags (AREA)
- Programmable Controllers (AREA)
- Control Of Voltage And Current In General (AREA)
- Electric Clocks (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
- Measurement Of Resistance Or Impedance (AREA)
- Tents Or Canopies (AREA)
- Ceramic Products (AREA)
- Pulse Circuits (AREA)
Abstract
Perfeccionamientos en sistema de control de disparo de explosivos para activar de una forma selectiva una pluralidad de cebos eléctricos, después de retardos respectivos correspondientemente predeterminados, caracterizados porque cada sistema comprende; una unidad de control de disparo situada en un lugar distante para proporcionar señales de temporización de referencia, y un dispositivo eléctrico de temporización situado en el lugar de cada cebo eléctrico y conectado para activar su cebo correspondiente en respuesta a las señales de temporización de referencia; comprendiendo cada uno de los dispositivos de temporización medio de temporización para medir un intervalo de tiempo de referencia definido por las señales de temporización de referencia para activar interiormente su cebo correspondiente después de un retardo predeterminado, respectivamente correspondiente, cuyo retardo se determina en función al intervalo de tiempo de referencia medido.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB405778 | 1978-02-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
ES479235A1 true ES479235A1 (es) | 1980-08-16 |
Family
ID=9769918
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES477321A Expired ES477321A1 (es) | 1978-02-01 | 1979-01-31 | Procedimiento para activar de una forma selectiva una plura-lidad de cargas electricas en instantes relativos predeterminados. |
ES479235A Expired ES479235A1 (es) | 1978-02-01 | 1979-04-03 | Perfeccionamientos en sistemas de control de disparo de ex- plosivos para activar de una forma selectiva una pluralidad de cebos elctricos. |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES477321A Expired ES477321A1 (es) | 1978-02-01 | 1979-01-31 | Procedimiento para activar de una forma selectiva una plura-lidad de cargas electricas en instantes relativos predeterminados. |
Country Status (21)
Country | Link |
---|---|
US (5) | US4324182A (es) |
EP (1) | EP0003412A3 (es) |
JP (1) | JPS54111744A (es) |
AT (1) | AT382017B (es) |
AU (1) | AU520215B2 (es) |
BR (1) | BR7900607A (es) |
CA (1) | CA1125361A (es) |
DE (1) | DE2945122A1 (es) |
ES (2) | ES477321A1 (es) |
FI (1) | FI69524C (es) |
FR (1) | FR2438387A1 (es) |
GB (1) | GB2015791B (es) |
IN (1) | IN150970B (es) |
MX (1) | MX145874A (es) |
NO (1) | NO158117C (es) |
NZ (1) | NZ189495A (es) |
PH (1) | PH16261A (es) |
SE (2) | SE445161B (es) |
ZA (1) | ZA79355B (es) |
ZM (1) | ZM1879A1 (es) |
ZW (1) | ZW2579A1 (es) |
Families Citing this family (92)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU518851B2 (en) * | 1978-04-26 | 1981-10-22 | Aeci Limited | Explosives |
DE2940227C2 (de) * | 1979-10-04 | 1983-08-18 | Diehl GmbH & Co, 8500 Nürnberg | Elektrischer Geschoßzünder |
US4445435A (en) * | 1980-05-05 | 1984-05-01 | Atlas Powder Company | Electronic delay blasting circuit |
DE3021976C2 (de) * | 1980-06-12 | 1983-07-07 | Messerschmitt-Bölkow-Blohm GmbH, 8000 München | Elektrische Zündschaltung |
JPS57142496A (en) * | 1981-02-27 | 1982-09-03 | Asahi Chemical Ind | Electric fuse |
JPS57142498A (en) * | 1981-02-27 | 1982-09-03 | Asahi Chemical Ind | Delayed electric fuse |
DE3139214A1 (de) * | 1981-10-02 | 1983-04-21 | Volker Hallwirth | Schaltung fuer zeitlich gesteuerte stromversorgung |
GB2123122A (en) * | 1982-01-08 | 1984-01-25 | Hunting Eng Ltd | Explosive devices |
US4577561A (en) * | 1982-04-19 | 1986-03-25 | Bei Electronics, Inc. | Digital time fuze method and apparatus |
DE3367674D1 (en) * | 1982-06-03 | 1987-01-02 | Ici Plc | Apparatus for initiating explosions and method therefor |
NO167995C (no) * | 1982-07-02 | 1992-01-02 | Schlumberger Ltd | Fremgangsmaate og system for selektiv broenn-perforering ved hjelp av en enkelt ledning. |
US4487125A (en) * | 1982-08-05 | 1984-12-11 | Rca Corporation | Timing circuit |
DE3301251C1 (de) * | 1983-01-15 | 1988-06-16 | Honeywell Gmbh, 6050 Offenbach | Verfahren und Schaltungsanordnung zum Programmieren eines elektronischen Kurzzeitgebers |
CA1233896A (en) * | 1983-04-11 | 1988-03-08 | Kenneth N. Jarrott | Programmable electronic delay fuse |
AU3328084A (en) * | 1983-10-05 | 1985-04-18 | Johannesburg Construction Corp. Pty. Ltd. | Electrical sequential firing system |
US4625205A (en) * | 1983-12-08 | 1986-11-25 | Lear Siegler, Inc. | Remote control system transmitting a control pulse sequence through interlocked electromechanical relays |
EG19633A (en) * | 1983-12-22 | 1995-08-30 | Dynamit Nobel Ag | Process for chronologically staggered release of electronic explosive detonating device |
US4674047A (en) * | 1984-01-31 | 1987-06-16 | The Curators Of The University Of Missouri | Integrated detonator delay circuits and firing console |
EP0174115B1 (en) * | 1984-09-04 | 1989-07-26 | Imperial Chemical Industries Plc | Method and apparatus for safer remotely controlled firing of ignition elements |
DE3516816C1 (de) * | 1985-05-10 | 1986-10-30 | Messerschmitt-Bölkow-Blohm GmbH, 8012 Ottobrunn | Anzuendeinrichtung fuer Treibladungen oder Gasgeneratoren |
WO1987000265A1 (en) * | 1985-06-28 | 1987-01-15 | Moorhouse, D., J. | Detonator actuator |
WO1987000264A1 (en) * | 1985-06-28 | 1987-01-15 | Moorhouse, D., J. | Detonator |
ES2018823B3 (es) * | 1986-04-10 | 1991-05-16 | Ici Australia Ltd | Metodo de voladura |
MW1787A1 (en) * | 1986-04-10 | 1987-12-09 | Ici Australia Ltd | Blasting method |
AU585701B2 (en) * | 1986-04-10 | 1989-06-22 | Ici Australia Limited | Blasting method |
AU595916B2 (en) * | 1986-08-29 | 1990-04-12 | Ici Australia Operations Proprietary Limited | Detonator system |
ZW15187A1 (en) * | 1986-08-29 | 1989-03-22 | Ici Australia Operations | Detonator system |
US4825765A (en) * | 1986-09-25 | 1989-05-02 | Nippon Oil And Fats Co., Ltd. | Delay circuit for electric blasting, detonating primer having delay circuit and system for electrically blasting detonating primers |
JPS63148100A (ja) * | 1986-12-10 | 1988-06-20 | 日本油脂株式会社 | 集中管理電磁誘導式電気発破装置 |
GB8718202D0 (en) * | 1987-07-31 | 1987-09-09 | Du Pont Canada | Blasting system |
US5214236A (en) * | 1988-09-12 | 1993-05-25 | Plessey South Africa Limited | Timing of a multi-shot blast |
US5117756A (en) * | 1989-02-03 | 1992-06-02 | Atlas Powder Company | Method and apparatus for a calibrated electronic timing circuit |
US5189246A (en) * | 1989-09-28 | 1993-02-23 | Csir | Timing apparatus |
US5157222A (en) * | 1989-10-10 | 1992-10-20 | Joanell Laboratories, Inc. | Pyrotechnic ignition apparatus and method |
US4986183A (en) * | 1989-10-24 | 1991-01-22 | Atlas Powder Company | Method and apparatus for calibration of electronic delay detonation circuits |
JPH0694996B2 (ja) * | 1989-11-24 | 1994-11-24 | 繁明 國友 | 花火点火装置 |
EP0532729B1 (en) * | 1991-04-01 | 1999-06-02 | WALDOCK, Kevin Hunter | Electrical connector |
US5295438A (en) * | 1991-12-03 | 1994-03-22 | Plessey Tellumat South Africa Limited | Single initiate command system and method for a multi-shot blast |
US5526750A (en) * | 1992-01-07 | 1996-06-18 | The Walt Disney Company | Fireworks projectile having combustible shell |
US5339741A (en) * | 1992-01-07 | 1994-08-23 | The Walt Disney Company | Precision fireworks display system having a decreased environmental impact |
CA2110742C (en) * | 1992-12-07 | 1999-09-14 | Michael John Camille Marsh | Surface blasting system |
US5367957A (en) * | 1993-03-31 | 1994-11-29 | Texas Instruments Incorporated | Tunable timing circuit and method for operating same and blasting detonator using same |
DE4330195C1 (de) * | 1993-09-07 | 1994-11-10 | Dynamit Nobel Ag | Sprengmomentzünder |
US5440990A (en) * | 1993-09-16 | 1995-08-15 | The Walt Disney Company | Electronic time fuze |
GB9423314D0 (en) * | 1994-11-18 | 1995-01-11 | Explosive Dev Ltd | Electrical distribution system |
US5587550A (en) * | 1995-03-23 | 1996-12-24 | Quantic Industries, Inc. | Internally timed, multi-output impulse cartridge |
US5739462A (en) * | 1995-06-27 | 1998-04-14 | The Walt Disney Company | Method and apparatus for creating pyrotechnic effects |
US5767437A (en) * | 1997-03-20 | 1998-06-16 | Rogers; Donald L. | Digital remote pyrotactic firing mechanism |
US5912428A (en) * | 1997-06-19 | 1999-06-15 | The Ensign-Bickford Company | Electronic circuitry for timing and delay circuits |
US5964815A (en) * | 1997-10-21 | 1999-10-12 | Trw Inc. | Occupant restraint system having serially connected devices, a method for providing the restraint system and a method for using the restraint system |
US6490977B1 (en) * | 1998-03-30 | 2002-12-10 | Magicfire, Inc. | Precision pyrotechnic display system and method having increased safety and timing accuracy |
US20060086277A1 (en) | 1998-03-30 | 2006-04-27 | George Bossarte | Precision pyrotechnic display system and method having increased safety and timing accuracy |
WO2000009967A1 (en) * | 1998-08-13 | 2000-02-24 | Expert Explosives (Proprietary) Limited | Blasting arrangement |
DE10053750A1 (de) * | 2000-10-30 | 2002-06-06 | Siemens Ag | Verfahren und Vorrichtung zur überlastungsfreien Ansteuerung eines Aktuators |
CA2427147C (en) * | 2000-11-09 | 2008-12-30 | Orica Explosives Technology Pty Ltd | Sensor for monitoring electronic detonation circuits |
DE10139810B4 (de) * | 2000-11-09 | 2014-10-16 | Orica Explosives Technology Pty. Ltd. | Spannungssensor zur Überwachung elektronischer Zündkreise |
WO2002099356A2 (en) | 2001-06-06 | 2002-12-12 | Senex Explosives, Inc | System for the initiation of rounds of individually delayed detonators |
US8091477B2 (en) * | 2001-11-27 | 2012-01-10 | Schlumberger Technology Corporation | Integrated detonators for use with explosive devices |
US7870825B2 (en) * | 2003-07-15 | 2011-01-18 | Special Devices, Incorporated | Enhanced method, device, and system for identifying an unknown or unmarked slave device such as in an electronic blasting system |
US7086334B2 (en) * | 2003-07-15 | 2006-08-08 | Special Devices, Inc. | Staggered charging of slave devices such as in an electronic blasting system |
US7577756B2 (en) | 2003-07-15 | 2009-08-18 | Special Devices, Inc. | Dynamically-and continuously-variable rate, asynchronous data transfer |
US7054131B1 (en) | 2003-07-15 | 2006-05-30 | Special Devices, Inc. | Pre-fire countdown in an electronic detonator and electronic blasting system |
US6988449B2 (en) * | 2003-07-15 | 2006-01-24 | Special Devices, Inc. | Dynamic baselining in current modulation-based communication |
US20050081321A1 (en) * | 2003-10-15 | 2005-04-21 | Milligan Michael A. | Hand-held cordless vacuum cleaner |
US6941870B2 (en) * | 2003-11-04 | 2005-09-13 | Advanced Initiation Systems, Inc. | Positional blasting system |
WO2006050542A1 (en) * | 2004-11-05 | 2006-05-11 | Rudy Willy Philomena Spiessens | Electronic detonator and method of operation thereof |
US8079307B2 (en) * | 2005-10-05 | 2011-12-20 | Mckinley Paul | Electric match assembly with isolated lift and burst function for a pyrotechnic device |
US7741732B2 (en) * | 2006-09-14 | 2010-06-22 | Lutron Electronics Co., Inc. | Method of configuring a startup sequence of a load control system |
US7781919B2 (en) * | 2006-09-14 | 2010-08-24 | Lutron Electronics Co., Inc. | Method of controlling a load control module as part of a startup sequence |
US8002026B2 (en) * | 2006-10-26 | 2011-08-23 | Alliant Techsystems Inc. | Methods and apparatuses for electronic time delay and systems including same |
US7789153B2 (en) * | 2006-10-26 | 2010-09-07 | Alliant Techsystems, Inc. | Methods and apparatuses for electronic time delay and systems including same |
US7896185B2 (en) * | 2007-03-06 | 2011-03-01 | Kw Plastics | Plastic container having gasketless seal |
PE20090252A1 (es) * | 2007-05-15 | 2009-03-19 | Orica Explosives Tech Pty Ltd | Detonacion electronica de alta precision |
DE102007055123B4 (de) * | 2007-11-19 | 2020-06-18 | Robert Bosch Gmbh | Steuergerät und Verfahren zur Ansteuerung von Personenschutzmitteln für ein Fahrzeug |
US8316252B2 (en) * | 2008-05-30 | 2012-11-20 | Advanced Micro Devices, Inc. | Distributed clock gating with centralized state machine control |
US8477049B2 (en) * | 2009-06-05 | 2013-07-02 | Apple Inc. | Efficiently embedding information onto a keyboard membrane |
US8397814B2 (en) | 2010-12-17 | 2013-03-19 | Halliburton Energy Serivces, Inc. | Perforating string with bending shock de-coupler |
US8393393B2 (en) | 2010-12-17 | 2013-03-12 | Halliburton Energy Services, Inc. | Coupler compliance tuning for mitigating shock produced by well perforating |
US8985200B2 (en) | 2010-12-17 | 2015-03-24 | Halliburton Energy Services, Inc. | Sensing shock during well perforating |
US8397800B2 (en) | 2010-12-17 | 2013-03-19 | Halliburton Energy Services, Inc. | Perforating string with longitudinal shock de-coupler |
WO2012148429A1 (en) | 2011-04-29 | 2012-11-01 | Halliburton Energy Services, Inc. | Shock load mitigation in a downhole perforation tool assembly |
US20120241169A1 (en) | 2011-03-22 | 2012-09-27 | Halliburton Energy Services, Inc. | Well tool assemblies with quick connectors and shock mitigating capabilities |
US9091152B2 (en) | 2011-08-31 | 2015-07-28 | Halliburton Energy Services, Inc. | Perforating gun with internal shock mitigation |
WO2014003699A2 (en) | 2012-04-03 | 2014-01-03 | Halliburton Energy Services, Inc. | Shock attenuator for gun system |
GB201207450D0 (en) * | 2012-04-26 | 2012-06-13 | Secr Defence | An electrical pulse splitter for an explosives system |
US9598940B2 (en) | 2012-09-19 | 2017-03-21 | Halliburton Energy Services, Inc. | Perforation gun string energy propagation management system and methods |
WO2014046655A1 (en) | 2012-09-19 | 2014-03-27 | Halliburton Energy Services, Inc. | Perforation gun string energy propagation management with tuned mass damper |
ZA201306962B (en) * | 2012-09-21 | 2014-04-30 | George Plichta Martin | Delay arrangement |
US9447678B2 (en) | 2012-12-01 | 2016-09-20 | Halliburton Energy Services, Inc. | Protection of electronic devices used with perforating guns |
MX358627B (es) * | 2014-09-03 | 2018-08-29 | Detnet South Africa Pty Ltd | Limitacion de corriente de fuga de detonador electronico. |
EP3743591A4 (en) | 2018-01-23 | 2022-03-23 | GeoDynamics, Inc. | SWITCH ASSEMBLY THAT IS POSSIBLE TO APPLY FOR DRILLING WELL SYSTEMS AND PROCESS |
DE102018128485B4 (de) * | 2018-11-14 | 2022-05-05 | Rheinmetall Waffe Munition Gmbh | Elektronische Zündereinheit für einen Irritationskörper und Irritationskörper |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2546686A (en) * | 1947-03-21 | 1951-03-27 | Du Pont | Blasting device |
US3067684A (en) * | 1960-07-27 | 1962-12-11 | Gen Electric | Trajectory sensitive time actuating systems |
GB1067931A (en) * | 1964-05-12 | 1967-05-10 | Peder Werner | Electrical firing apparatus for sequentially firing a plurality of explosive charges |
US3312869A (en) * | 1964-05-12 | 1967-04-04 | Werner Peder | Detonator apparatus for series firing of explosives |
ES345935A1 (es) * | 1966-11-12 | 1968-12-01 | Wasagchemie Ag | Una disposicion de circuito con tiristores y diodos de cua-tro capas para conmutadores de pasos. |
US3500746A (en) * | 1968-04-17 | 1970-03-17 | Lear Siegler Inc | Weapon system with an electronic time fuze |
US3646371A (en) * | 1969-07-25 | 1972-02-29 | Us Army | Integrated timer with nonvolatile memory |
US3603844A (en) * | 1969-07-31 | 1971-09-07 | Hercules Inc | Electronic delay multiperiod initiating system |
US3571605A (en) * | 1969-08-25 | 1971-03-23 | Us Air Force | Intervalometer for an illumination system |
DE2022356C3 (de) * | 1970-05-08 | 1980-06-04 | Honeywell Gmbh, 6000 Frankfurt | Verfahren und Schaltungsanordnung zum Programmieren eines elektronischen Kurzzeitgebers, insbesondere eines elektronischen Laufzeitzunders |
DE2046098C3 (de) * | 1970-09-18 | 1975-11-13 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Schaltungsanordnung zum Zünden der Zündkapseln eines Raketenstartgerätes |
US3739199A (en) * | 1971-12-16 | 1973-06-12 | Commissariat Energie Atomique | Generator of a time interval as a multiple of a base period |
US3851589A (en) * | 1973-04-25 | 1974-12-03 | Texaco Inc | Electronic delay blaster |
GB1493104A (en) * | 1973-05-19 | 1977-11-23 | Ferranti Ltd | Projectile fuses |
ZA746477B (en) * | 1973-11-14 | 1975-10-29 | Siemens Ag | Circuit arrangement for producing consecutive current impulses |
JPS5254362A (en) * | 1975-10-29 | 1977-05-02 | Mitsubishi Electric Corp | Timer |
CH621230B (fr) * | 1975-11-25 | Mefina Sa | Dispositif d'allumage electronique pour fusee de projectile. | |
ZA771838B (en) * | 1976-03-30 | 1978-03-29 | Tri Electronics Ab | An electric detonator cap |
IN163922B (es) * | 1983-12-22 | 1988-12-10 | Dynamit Nobel Ag | |
DE8432097U1 (de) * | 1984-11-02 | 1986-07-17 | Dynamit Nobel Ag, 5210 Troisdorf | Elektronischer Sprengzeitzünder |
-
1979
- 1979-01-18 EP EP79300087A patent/EP0003412A3/en not_active Withdrawn
- 1979-01-18 DE DE19792945122 patent/DE2945122A1/de active Granted
- 1979-01-18 GB GB7901794A patent/GB2015791B/en not_active Expired
- 1979-01-22 US US06/005,551 patent/US4324182A/en not_active Ceased
- 1979-01-26 NO NO790269A patent/NO158117C/no unknown
- 1979-01-26 ZA ZA79355A patent/ZA79355B/xx unknown
- 1979-01-26 PH PH22117A patent/PH16261A/en unknown
- 1979-01-29 NZ NZ189495A patent/NZ189495A/xx unknown
- 1979-01-29 IN IN062/DEL/79A patent/IN150970B/en unknown
- 1979-01-30 ZW ZW25/79A patent/ZW2579A1/xx unknown
- 1979-01-31 MX MX176467A patent/MX145874A/es unknown
- 1979-01-31 ES ES477321A patent/ES477321A1/es not_active Expired
- 1979-01-31 BR BR7900607A patent/BR7900607A/pt unknown
- 1979-01-31 AU AU43783/79A patent/AU520215B2/en not_active Expired
- 1979-02-01 FI FI790332A patent/FI69524C/fi not_active IP Right Cessation
- 1979-02-01 CA CA320,662A patent/CA1125361A/en not_active Expired
- 1979-02-01 JP JP974079A patent/JPS54111744A/ja active Granted
- 1979-02-01 AT AT0076679A patent/AT382017B/de not_active IP Right Cessation
- 1979-02-28 ZM ZM18/79A patent/ZM1879A1/xx unknown
- 1979-04-03 ES ES479235A patent/ES479235A1/es not_active Expired
- 1979-11-08 FR FR7927769A patent/FR2438387A1/fr active Granted
-
1980
- 1980-02-06 SE SE8000946A patent/SE445161B/sv unknown
-
1981
- 1981-10-01 US US06/307,634 patent/US4409897A/en not_active Ceased
- 1981-10-01 US US06/307,633 patent/US4419933A/en not_active Expired - Lifetime
-
1988
- 1988-02-05 US US07/152,927 patent/USRE32888E/en not_active Expired - Lifetime
- 1988-10-25 US US07/261,888 patent/USRE33004E/en not_active Expired - Lifetime
-
1990
- 1990-10-12 SE SE9003267A patent/SE9003267L/ not_active Application Discontinuation
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Date | Code | Title | Description |
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FD1A | Patent lapsed |
Effective date: 20001009 |