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Class Information
Number: 33/426
Name: Geometrical instruments > Straightedge type > Square and pivoted straightedge > With protractor > Located on straightedge
Description: Subject matter wherein the protractor is attached to the straightedge.

Patents under this class:

Patent Number Title Of Patent Date Issued
7716843 Integrated x-ray measurement tool for equine conformation May. 18, 2010
7430810 Laser square protractor kit Oct. 7, 2008
5388339 Tri-square protractor Feb. 14, 1995
5205045 Household tile cutting gauge Apr. 27, 1993
5182948 Adjustable measuring container Feb. 2, 1993
4901444 Method and apparatus for guiding a saw relative to an angular cut of a board Feb. 20, 1990
4835877 Try square protractor Jun. 6, 1989

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