GB2292220B - Imrpovements relating to levelling aids - Google Patents

Imrpovements relating to levelling aids

Info

Publication number
GB2292220B
GB2292220B GB9416206A GB9416206A GB2292220B GB 2292220 B GB2292220 B GB 2292220B GB 9416206 A GB9416206 A GB 9416206A GB 9416206 A GB9416206 A GB 9416206A GB 2292220 B GB2292220 B GB 2292220B
Authority
GB
United Kingdom
Prior art keywords
imrpovements
relating
levelling aids
levelling
aids
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 - Fee Related
Application number
GB9416206A
Other versions
GB2292220A (en
GB9416206D0 (en
Inventor
Dennis George Yeo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to GB9416206A priority Critical patent/GB2292220B/en
Publication of GB9416206D0 publication Critical patent/GB9416206D0/en
Publication of GB2292220A publication Critical patent/GB2292220A/en
Application granted granted Critical
Publication of GB2292220B publication Critical patent/GB2292220B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C9/00—Measuring inclination, e.g. by clinometers, by levels
    • G01C9/12—Measuring inclination, e.g. by clinometers, by levels by using a single pendulum plumb lines G01C15/10

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Drawing Aids And Blackboards (AREA)
  • Length-Measuring Instruments Using Mechanical Means (AREA)
GB9416206A 1994-08-11 1994-08-11 Imrpovements relating to levelling aids Expired - Fee Related GB2292220B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9416206A GB2292220B (en) 1994-08-11 1994-08-11 Imrpovements relating to levelling aids

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9416206A GB2292220B (en) 1994-08-11 1994-08-11 Imrpovements relating to levelling aids

Publications (3)

Publication Number Publication Date
GB9416206D0 GB9416206D0 (en) 1994-10-05
GB2292220A GB2292220A (en) 1996-02-14
GB2292220B true GB2292220B (en) 1998-05-20

Family

ID=10759712

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9416206A Expired - Fee Related GB2292220B (en) 1994-08-11 1994-08-11 Imrpovements relating to levelling aids

Country Status (1)

Country Link
GB (1) GB2292220B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2143369A1 (en) * 1995-02-24 1996-08-25 Manamohan Clare Level indicator for articles on a vertical surface
GB2344887B (en) * 1998-12-10 2000-11-01 Crichton Edward Mcgrego Miller Surveying navigation and astronomy instrument
JP4792031B2 (en) * 2004-07-20 2011-10-12 ナヤキ，マドヴァ，ラジュー，ハマサ，ナンディーニ Geometric tool with simplified coordinate hole mechanism
CN108759786B (en) * 2018-05-22 2020-12-18 聊城市飓风工业设计有限公司 Vertical detection device of building facade

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB317903A (en) * 1928-05-26 1929-08-26 John Lees Shepherd Improvements in line drawing or ruling appliances
GB584223A (en) * 1943-09-11 1947-01-09 Walter Edward Austen Improvements in clinometers
GB717327A (en) * 1951-08-14 1954-10-27 Vaian Georgakis Improvements in drawing instruments
GB2143639A (en) * 1983-07-20 1985-02-13 John Derek Stafford Townshend Perspective clinometer

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB317903A (en) * 1928-05-26 1929-08-26 John Lees Shepherd Improvements in line drawing or ruling appliances
GB584223A (en) * 1943-09-11 1947-01-09 Walter Edward Austen Improvements in clinometers
GB717327A (en) * 1951-08-14 1954-10-27 Vaian Georgakis Improvements in drawing instruments
GB2143639A (en) * 1983-07-20 1985-02-13 John Derek Stafford Townshend Perspective clinometer

Also Published As

Publication number Publication date
GB2292220A (en) 1996-02-14
GB9416206D0 (en) 1994-10-05

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19980820