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Class Information
Number: 33/295
Name: Geometrical instruments > Straight-line light ray type > Rod or target > With leveling or plumbing adjunct
Description: Device including means responsive to terrestrial gravity for use in aligning the rod vertically or horizontally with respect to a defined reference point.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7401414 |
Sensitive ground surface tiltmeter |
Jul. 22, 2008 |
| 7272891 |
Automatic plumbing device |
Sep. 25, 2007 |
| 6813855 |
Gun sight reticle alignment |
Nov. 9, 2004 |
| 6772526 |
Surveying pole |
Aug. 10, 2004 |
| 6763599 |
Plumb bob apparatus |
Jul. 20, 2004 |
| 6711826 |
Pole section for surveying equipment |
Mar. 30, 2004 |
| 6688012 |
Surveying pole with telescoping sections |
Feb. 10, 2004 |
| 6237235 |
Electronic level and process for video sighting |
May. 29, 2001 |
| 6085434 |
Telescoping measuring device |
Jul. 11, 2000 |
| 5915810 |
Telescoping measuring stick with air damped closure and frictional locking |
Jun. 29, 1999 |
| 5701679 |
Prism support |
Dec. 30, 1997 |
| 5680208 |
Gravity oriented laser scanner |
Oct. 21, 1997 |
| 5579585 |
Free axis alignment apparatus and method for use |
Dec. 3, 1996 |
| 5459934 |
Sight rod level |
Oct. 24, 1995 |
| 5446968 |
Strut height adjusting apparatus |
Sep. 5, 1995 |
| 5400516 |
Holder and stand for plumb finder ruler and surveyor's rod |
Mar. 28, 1995 |
| 5272814 |
Device for defining a horizontal plane |
Dec. 28, 1993 |
| 5255441 |
Prism pole for a surveying system |
Oct. 26, 1993 |
| 5224271 |
Leveling test apparatus and method for optical instrument |
Jul. 6, 1993 |
| 5113589 |
Football exact yard marker and method for use |
May. 19, 1992 |
| 5062753 |
Survey nail |
Nov. 5, 1991 |
| 4926561 |
Tripod stand for a surveyor's rod |
May. 22, 1990 |
| 4879816 |
Combination range pole and bubble-level therefor |
Nov. 14, 1989 |
| 4567669 |
Blue top setting device |
Feb. 4, 1986 |
| 4430804 |
Device for setting inclination |
Feb. 14, 1984 |
| 4400888 |
Instrument for levelling |
Aug. 30, 1983 |
| 4346993 |
Pull-through structure for measuring the curvature of the internal wall of a pipe or tube |
Aug. 31, 1982 |
| 4343090 |
Suspension device for angle indicator |
Aug. 10, 1982 |
| 4319406 |
Laser targets for roller alignment |
Mar. 16, 1982 |
| 4290207 |
Surveying instrument |
Sep. 22, 1981 |
| 4146969 |
Surveyor's rod |
Apr. 3, 1979 |
| 4095347 |
Sighting in apparatus for rifle mounted telescope gunsights |
Jun. 20, 1978 |
| 4031633 |
Scale for use in measuring and straightening damaged vehicles in a so-called vehicle alignment apparatus |
Jun. 28, 1977 |
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