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Class Information
Number: 33/470
Name: Geometrical instruments > Straightedge type > Plural straightedges, relatively moveable > Single pivot > T-head with pivoted straightedge > Sliding
Description: Subject matter wherein the straightedge is arranged for transverse adjustment through the pivot point.










Patents under this class:

Patent Number Title Of Patent Date Issued
7841095 Drafting apparatus Nov. 30, 2010
6470591 Bicycle riding position measuring device Oct. 29, 2002
6049990 Multifunction layout tool Apr. 18, 2000
5915807 All-in-one drawing apparatus Jun. 29, 1999
5461794 Movable type measurement scale at variable angles Oct. 31, 1995
4599806 Carpenter's square and protractor Jul. 15, 1986
4525933 Adjustable T-square Jul. 2, 1985
4348815 Multi-purpose square Sep. 14, 1982
4030486 Apparatus for measuring deflection and temporal values on electrocardiac tracings Jun. 21, 1977











 
 
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