IL124474A - Coated milling insert and method of making it - Google Patents
Coated milling insert and method of making itInfo
- Publication number
- IL124474A IL124474A IL12447496A IL12447496A IL124474A IL 124474 A IL124474 A IL 124474A IL 12447496 A IL12447496 A IL 12447496A IL 12447496 A IL12447496 A IL 12447496A IL 124474 A IL124474 A IL 124474A
- Authority
- IL
- Israel
- Prior art keywords
- sub
- making
- milling insert
- insert
- layer
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C30/00—Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process
- C23C30/005—Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process on hard metal substrates
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
- C22C29/02—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides
- C22C29/06—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds
- C22C29/08—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds based on tungsten carbide
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/22—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of inorganic material, other than metallic material
- C23C16/30—Deposition of compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/22—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of inorganic material, other than metallic material
- C23C16/30—Deposition of compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides
- C23C16/40—Oxides
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12771—Transition metal-base component
- Y10T428/12785—Group IIB metal-base component
- Y10T428/12792—Zn-base component
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
- Y10T428/2495—Thickness [relative or absolute]
- Y10T428/24967—Absolute thicknesses specified
- Y10T428/24975—No layer or component greater than 5 mils thick
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
- Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
- Y10T428/264—Up to 3 mils
- Y10T428/265—1 mil or less
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Vapour Deposition (AREA)
- Cutting Tools, Boring Holders, And Turrets (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Coating By Spraying Or Casting (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9504304A SE9504304D0 (sv) | 1995-11-30 | 1995-11-30 | Coated milling insert |
PCT/SE1996/001577 WO1997020081A1 (fr) | 1995-11-30 | 1996-11-29 | Piece rapportee de type fraise pourvue d'un revetement et procede de fabrication correspondant |
Publications (2)
Publication Number | Publication Date |
---|---|
IL124474A0 IL124474A0 (en) | 1998-12-06 |
IL124474A true IL124474A (en) | 2001-08-26 |
Family
ID=20400435
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IL12447496A IL124474A (en) | 1995-11-30 | 1996-11-29 | Coated milling insert and method of making it |
Country Status (11)
Country | Link |
---|---|
US (2) | US6177178B1 (fr) |
EP (1) | EP0871796B1 (fr) |
JP (2) | JP2000515587A (fr) |
KR (1) | KR100430361B1 (fr) |
CN (1) | CN1203638A (fr) |
AT (1) | ATE231565T1 (fr) |
BR (1) | BR9611780A (fr) |
DE (1) | DE69625934T2 (fr) |
IL (1) | IL124474A (fr) |
SE (1) | SE9504304D0 (fr) |
WO (1) | WO1997020081A1 (fr) |
Families Citing this family (39)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1025211B1 (fr) | 1997-10-31 | 2004-12-15 | The Board of Regents of The University of Oklahoma | Gene de la synthase de l'hyaluronan et utilisation de ce gene |
SE9903090D0 (sv) | 1999-09-01 | 1999-09-01 | Sandvik Ab | Coated milling insert |
EP1103635B1 (fr) | 1999-11-25 | 2004-08-11 | Seco Tools Ab | Plaquette de coupe revêtue pour le fraisage et le tournage |
EP1160353B1 (fr) * | 2000-05-31 | 2007-12-12 | Mitsubishi Materials Corporation | Outil de coupe en carbure fritté muni d'un revêtement et son procédé de fabrication |
US6638571B2 (en) | 2000-05-31 | 2003-10-28 | Mitsubishi Materials Corporation | Coated cemented carbide cutting tool member and process for producing the same |
SE519250C2 (sv) * | 2000-11-08 | 2003-02-04 | Sandvik Ab | Belagt hårdmetallskär och användning av detsamma för våtfräsning |
US6805944B2 (en) * | 2001-03-26 | 2004-10-19 | Mitsubishi Materials Corporation | Coated cemented carbide cutting tool |
SE0103970L (sv) * | 2001-11-27 | 2003-05-28 | Seco Tools Ab | Hårdmetall med bindefasanrikad ytzon |
SE523826C2 (sv) * | 2002-03-20 | 2004-05-25 | Seco Tools Ab | Skär belagt med TiAIN för bearbetning med hög hastighet av legerade stål, sätt att framställa ett skär och användning av skäret |
SE523827C2 (sv) * | 2002-03-20 | 2004-05-25 | Seco Tools Ab | Belagt skär för bearbetning med hög hastighet av låg-och medelhögt legerade stål, sätt att framställa ett skär och använding av skäret |
US7220098B2 (en) * | 2003-05-27 | 2007-05-22 | General Electric Company | Wear resistant variable stator vane assemblies |
US20060029494A1 (en) * | 2003-05-27 | 2006-02-09 | General Electric Company | High temperature ceramic lubricant |
SE526599C2 (sv) * | 2003-06-16 | 2005-10-18 | Seco Tools Ab | CVD-belagt hårdmetallskär |
US7455918B2 (en) * | 2004-03-12 | 2008-11-25 | Kennametal Inc. | Alumina coating, coated product and method of making the same |
JP2006026814A (ja) * | 2004-07-16 | 2006-02-02 | Tungaloy Corp | 被覆切削チップ |
KR100576321B1 (ko) * | 2004-12-14 | 2006-05-03 | 한국야금 주식회사 | 고인성 절삭공구/내마모성 공구 |
SE528673C2 (sv) | 2005-01-03 | 2007-01-16 | Sandvik Intellectual Property | Belagt hårdmetallskär för torrfräsning i höglegerat grått gjutjärn samt sätt och användning |
US7543992B2 (en) * | 2005-04-28 | 2009-06-09 | General Electric Company | High temperature rod end bearings |
SE529838C2 (sv) | 2005-12-08 | 2007-12-04 | Sandvik Intellectual Property | Belagt hårdmetallskär, sätt att framställa detta samt dess användning för fräsning i stål |
SE529856C2 (sv) * | 2005-12-16 | 2007-12-11 | Sandvik Intellectual Property | Belagt hårdmetallskär, sätt att tillverka detta samt dess användning för fräsning |
SE530516C2 (sv) * | 2006-06-15 | 2008-06-24 | Sandvik Intellectual Property | Belagt hårdmetallskär, metod att tillverka detta samt dess användning vid fräsning av gjutjärn |
SE530634C2 (sv) * | 2006-06-15 | 2008-07-22 | Sandvik Intellectual Property | Belagt hårdmetallskär, metod att tillverka detta samt dess användning vid torr fräsning av gjutjärn |
ES2426582T5 (es) * | 2006-09-05 | 2016-11-22 | Tungaloy Corporation | Herramienta de corte recubierta y método para producirla |
SE531930C2 (sv) * | 2007-02-01 | 2009-09-08 | Seco Tools Ab | Belagt skärverktyg för medelgrov till grov svarvn ing av rostfria stål och varmhållfasta legeringar |
SE0701321L (sv) * | 2007-06-01 | 2008-12-02 | Sandvik Intellectual Property | Belagt skär |
US8080323B2 (en) * | 2007-06-28 | 2011-12-20 | Kennametal Inc. | Cutting insert with a wear-resistant coating scheme exhibiting wear indication and method of making the same |
US20090004449A1 (en) * | 2007-06-28 | 2009-01-01 | Zhigang Ban | Cutting insert with a wear-resistant coating scheme exhibiting wear indication and method of making the same |
SE531946C2 (sv) | 2007-08-24 | 2009-09-15 | Seco Tools Ab | Skär för fräsning i gjutjärn |
SE532020C2 (sv) | 2007-09-13 | 2009-09-29 | Seco Tools Ab | Belagt hårdmetallskär för frästillämpningar och tillverkningssätt |
SE532044C2 (sv) | 2007-12-27 | 2009-10-06 | Seco Tools Ab | Användning av ett CVD belagt skär vid fräsning |
CN103157815B (zh) * | 2011-12-08 | 2016-10-19 | 三菱综合材料株式会社 | 在高速重切削中发挥优异的耐磨性的表面包覆切削工具 |
CN103737092A (zh) * | 2013-11-13 | 2014-04-23 | 厦门金鹭特种合金有限公司 | 一种pcb用pvd涂层微型铣刀及其制备方法 |
CN104723049A (zh) * | 2015-03-20 | 2015-06-24 | 深圳市圆梦精密技术研究院 | 合金材料加工刀具制造工艺 |
CN107921551B (zh) * | 2015-08-29 | 2019-12-20 | 京瓷株式会社 | 被覆工具 |
JP6699056B2 (ja) * | 2016-06-14 | 2020-05-27 | 住友電工ハードメタル株式会社 | 表面被覆切削工具 |
KR20180065117A (ko) | 2016-12-07 | 2018-06-18 | 주식회사 세진티앤에스 | 탄소섬유가 코팅된 고강도 커팅 툴 |
CN110899803B (zh) * | 2020-01-02 | 2021-01-29 | 山东大学 | 一种用于高速铣削镍基合金的整体式陶瓷铣刀及其制造方法 |
CN111575641A (zh) * | 2020-05-30 | 2020-08-25 | 河源富马硬质合金股份有限公司 | 一种硬质合金表面处理工艺 |
CN115595554A (zh) * | 2022-01-26 | 2023-01-13 | 浙江馨治盛科技有限公司(Cn) | 一种用于切削铝合金具有低表面粗糙度铣刀的制备方法 |
Family Cites Families (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4610931A (en) | 1981-03-27 | 1986-09-09 | Kennametal Inc. | Preferentially binder enriched cemented carbide bodies and method of manufacture |
JPS59219122A (ja) | 1983-05-27 | 1984-12-10 | Sumitomo Electric Ind Ltd | 被覆超硬合金工具及びその製造法 |
JP2757469B2 (ja) * | 1989-07-06 | 1998-05-25 | 三菱マテリアル株式会社 | 炭化タングステン基超硬合金製エンドミル |
DE69007885T2 (de) * | 1989-07-13 | 1994-07-28 | Seco Tools Ab | Mit mehreren Oxiden beschichteter Karbidkörper und Verfahren zu seiner Herstellung. |
SE9101953D0 (sv) | 1991-06-25 | 1991-06-25 | Sandvik Ab | A1203 coated sintered body |
JP2825693B2 (ja) * | 1991-08-29 | 1998-11-18 | 京セラ株式会社 | コーティング工具およびその製造方法 |
JPH0598385A (ja) * | 1991-10-08 | 1993-04-20 | Sumitomo Electric Ind Ltd | 高性能超硬合金 |
SE9200530D0 (sv) | 1992-02-21 | 1992-02-21 | Sandvik Ab | Haardmetall med bindefasanrikad ytzon |
JPH05239587A (ja) * | 1992-02-26 | 1993-09-17 | Hitachi Tool Eng Ltd | TiCN基サーメット合金 |
JP2867803B2 (ja) | 1992-06-25 | 1999-03-10 | 三菱マテリアル株式会社 | 耐チッピング性にすぐれた表面被覆炭化タングステン基超硬合金製切削工具 |
JP3052586B2 (ja) * | 1992-06-25 | 2000-06-12 | 三菱マテリアル株式会社 | 耐チッピング性にすぐれた表面被覆炭化タングステン基超硬合金製切削工具 |
GB9214851D0 (en) | 1992-07-13 | 1992-08-26 | Europ Economic Community | Communities desulphurisation of waste gases |
JP3161088B2 (ja) | 1992-09-28 | 2001-04-25 | 三菱マテリアル株式会社 | 表面被覆wc基超硬合金製切削工具 |
US5576093A (en) | 1992-10-22 | 1996-11-19 | Mitsubishi Materials Corporation | Multilayer coated hard alloy cutting tool |
US5372873A (en) | 1992-10-22 | 1994-12-13 | Mitsubishi Materials Corporation | Multilayer coated hard alloy cutting tool |
SE505425C2 (sv) | 1992-12-18 | 1997-08-25 | Sandvik Ab | Hårdmetall med bindefasanrikad ytzon |
SE501527C2 (sv) * | 1992-12-18 | 1995-03-06 | Sandvik Ab | Sätt och alster vid beläggning av ett skärande verktyg med ett aluminiumoxidskikt |
JP2746036B2 (ja) | 1992-12-22 | 1998-04-28 | 三菱マテリアル株式会社 | 表面被覆切削工具 |
EP0653499B1 (fr) | 1993-05-31 | 2002-07-24 | Sumitomo Electric Industries, Ltd. | Outil coupant revetu et son procede de production |
JPH07112306A (ja) * | 1993-10-14 | 1995-05-02 | Mitsubishi Materials Corp | 表面被覆切削工具 |
SE502174C2 (sv) * | 1993-12-23 | 1995-09-04 | Sandvik Ab | Sätt och alster vid beläggning av ett skärande verktyg med ett aluminiumoxidskikt |
US5920760A (en) | 1994-05-31 | 1999-07-06 | Mitsubishi Materials Corporation | Coated hard alloy blade member |
US5545490A (en) | 1994-06-21 | 1996-08-13 | Mitsubishi Materials Corporation | Surface coated cutting tool |
SE509201C2 (sv) | 1994-07-20 | 1998-12-14 | Sandvik Ab | Aluminiumoxidbelagt verktyg |
US5652045A (en) * | 1994-10-20 | 1997-07-29 | Mitsubishi Materials Corporation | Coated tungsten carbide-based cemented carbide blade member |
US5786069A (en) * | 1995-09-01 | 1998-07-28 | Sandvik Ab | Coated turning insert |
-
1995
- 1995-11-30 SE SE9504304A patent/SE9504304D0/xx unknown
-
1996
- 1996-11-29 JP JP09520424A patent/JP2000515587A/ja not_active Withdrawn
- 1996-11-29 CN CN96198662A patent/CN1203638A/zh active Pending
- 1996-11-29 WO PCT/SE1996/001577 patent/WO1997020081A1/fr active IP Right Grant
- 1996-11-29 IL IL12447496A patent/IL124474A/xx not_active IP Right Cessation
- 1996-11-29 US US09/077,360 patent/US6177178B1/en not_active Ceased
- 1996-11-29 KR KR10-1998-0704053A patent/KR100430361B1/ko not_active IP Right Cessation
- 1996-11-29 EP EP96941281A patent/EP0871796B1/fr not_active Expired - Lifetime
- 1996-11-29 BR BR9611780A patent/BR9611780A/pt not_active IP Right Cessation
- 1996-11-29 DE DE69625934T patent/DE69625934T2/de not_active Expired - Lifetime
- 1996-11-29 AT AT96941281T patent/ATE231565T1/de not_active IP Right Cessation
- 1996-11-29 US US11/483,381 patent/USRE39884E1/en not_active Expired - Fee Related
-
2008
- 2008-04-09 JP JP2008101806A patent/JP2008183708A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
USRE39884E1 (en) | 2007-10-16 |
CN1203638A (zh) | 1998-12-30 |
BR9611780A (pt) | 1999-02-23 |
JP2000515587A (ja) | 2000-11-21 |
ATE231565T1 (de) | 2003-02-15 |
JP2008183708A (ja) | 2008-08-14 |
SE9504304D0 (sv) | 1995-11-30 |
DE69625934D1 (de) | 2003-02-27 |
IL124474A0 (en) | 1998-12-06 |
KR19990071775A (ko) | 1999-09-27 |
US6177178B1 (en) | 2001-01-23 |
WO1997020081A1 (fr) | 1997-06-05 |
EP0871796A1 (fr) | 1998-10-21 |
EP0871796B1 (fr) | 2003-01-22 |
DE69625934T2 (de) | 2003-11-13 |
KR100430361B1 (ko) | 2004-07-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
KB | Patent renewed | ||
KB | Patent renewed | ||
KB | Patent renewed | ||
MM9K | Patent not in force due to non-payment of renewal fees |