GB2210167B - Spirit level - Google Patents

Spirit level

Info

Publication number
GB2210167B
GB2210167B GB8818422A GB8818422A GB2210167B GB 2210167 B GB2210167 B GB 2210167B GB 8818422 A GB8818422 A GB 8818422A GB 8818422 A GB8818422 A GB 8818422A GB 2210167 B GB2210167 B GB 2210167B
Authority
GB
United Kingdom
Prior art keywords
spirit level
spirit
level
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 - Lifetime
Application number
GB8818422A
Other versions
GB8818422D0 (en
GB2210167A (en
Inventor
Geoffrey Betts
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.)
Betts & Sons Ltd
Original Assignee
Betts & Sons Ltd
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 Betts & Sons Ltd filed Critical Betts & Sons Ltd
Publication of GB8818422D0 publication Critical patent/GB8818422D0/en
Publication of GB2210167A publication Critical patent/GB2210167A/en
Application granted granted Critical
Publication of GB2210167B publication Critical patent/GB2210167B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G01C9/18—Measuring inclination, e.g. by clinometers, by levels by using liquids
    • G01C9/24—Measuring inclination, e.g. by clinometers, by levels by using liquids in closed containers partially filled with liquid so as to leave a gas bubble

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)
GB8818422A 1987-09-18 1988-08-03 Spirit level Expired - Lifetime GB2210167B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB878722047A GB8722047D0 (en) 1987-09-18 1987-09-18 Spirit level

Publications (3)

Publication Number Publication Date
GB8818422D0 GB8818422D0 (en) 1988-09-07
GB2210167A GB2210167A (en) 1989-06-01
GB2210167B true GB2210167B (en) 1991-02-27

Family

ID=10624037

Family Applications (2)

Application Number Title Priority Date Filing Date
GB878722047A Pending GB8722047D0 (en) 1987-09-18 1987-09-18 Spirit level
GB8818422A Expired - Lifetime GB2210167B (en) 1987-09-18 1988-08-03 Spirit level

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB878722047A Pending GB8722047D0 (en) 1987-09-18 1987-09-18 Spirit level

Country Status (1)

Country Link
GB (2) GB8722047D0 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2683037B1 (en) * 1990-04-05 1995-10-13 Guyot Jean Pierre DEVICE FOR TAKING LEVEL MARKINGS.
ES2100800B1 (en) * 1994-04-26 1997-11-16 Anduaga Aurrecoechea Eduardo ROPE LEVEL
WO2005064272A1 (en) * 2003-12-31 2005-07-14 Kapro Industries Ltd Pocket level
US7204029B2 (en) 2005-05-04 2007-04-17 The Stanley Works Level
US7530175B2 (en) 2006-12-15 2009-05-12 Black & Decker Inc. Twin level
EP1992912A1 (en) * 2007-05-15 2008-11-19 Feliciano Pedro Carpenter's level
RU2546441C2 (en) * 2013-05-07 2015-04-10 Алексей Николаевич Лавровский A. lavrovsky's validator for operation with keyboard and tablet

Also Published As

Publication number Publication date
GB8818422D0 (en) 1988-09-07
GB2210167A (en) 1989-06-01
GB8722047D0 (en) 1987-10-28

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20080802