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Class Information
Number: D10/69
Name: Measuring, testing, or signalling instruments > Measuring, regulating or indicating instrument, or casing > Geometric (5) > Angle or direction (7) > Spirit level
Description:










Patents under this class:
1 2 3 4 5 6 7 8 9

Patent Number Title Of Patent Date Issued
D271087 Door jamb setter Oct. 25, 1983
D271088 Illuminated spirit level Oct. 25, 1983
4407075 Illuminated spirit vial and level Oct. 4, 1983
D270716 Bubble level device for a cutter nozzle Sep. 27, 1983
D269663 Pole level Jul. 12, 1983
D269255 Illuminated level Jun. 7, 1983
D268909 Level tool May. 10, 1983
D267551 Variable grade level Jan. 11, 1983
4343093 Plumb tool Aug. 10, 1982
D261996 Levelling device Nov. 24, 1981
D261626 Corner level Nov. 3, 1981
D261369 Combined torpedo level and peripheral angle measuring device Oct. 20, 1981
D257671 Adjustable level Dec. 23, 1980
D257330 Corner level Oct. 14, 1980
D256565 Plane measuring instrument Aug. 26, 1980
D256441 Spirit level Aug. 19, 1980
D256337 Level Aug. 12, 1980
D255504 Spirit level vial container Jun. 24, 1980
D255434 Frame leveler Jun. 17, 1980
4202108 Apparatus and method for marking points and lines during building construction May. 13, 1980
4196524 Head movement indicating device Apr. 8, 1980
4194295 Level and angle attachment for a carpenter's folding ruler Mar. 25, 1980
4189844 Chalk line protracting tool Feb. 26, 1980
4182046 Electronic level and protractor Jan. 8, 1980
D253581 Four way corner level Dec. 4, 1979
4164077 Level indicating devices Aug. 14, 1979
D252500 Leveling instrument Jul. 31, 1979
D252195 Necklace Jun. 26, 1979
4154001 Electric hand drill aligning level May. 15, 1979
4152838 Straight edge level May. 8, 1979
4130943 Extension level Dec. 26, 1978
4126944 Disposable switch plate and receptacle cover spirit level Nov. 28, 1978
D249875 Ladder inclinometer Oct. 10, 1978
D249657 Golf tee level Sep. 26, 1978
D247428 Level Mar. 7, 1978
4068386 Line level Jan. 17, 1978
D244837 Level Jun. 28, 1977
D243931 Spherical spirit level Apr. 5, 1977
4003134 Automatic lighted level and angle finder Jan. 18, 1977
3990860 High temperature oxidation resistant cermet compositions Nov. 9, 1976
3984919 Leveling device Oct. 12, 1976
3950860 Building block laying level indicating device Apr. 20, 1976

1 2 3 4 5 6 7 8 9










 
 
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