Straightedge type > Plural straightedges, relatively moveable > Multipivoted straightedges > Two straightedges pivoted at the ends of a central straightedge > At least one pivot is sliding > Central straightedge longitudinally adjustable > Patents

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Class Information
Number: 33/461
Name: Geometrical instruments > Straightedge type > Plural straightedges, relatively moveable > Multipivoted straightedges > Two straightedges pivoted at the ends of a central straightedge > At least one pivot is sliding > Central straightedge longitudinally adjustable
Description: Subject matter wherein the middle straightedge is constructed in sections that can be varied in length by telescoping one section relative to the other.

Patents under this class:

Patent Number	Title Of Patent	Date Issued
7373727	Adjustable angle and miter finder	May. 20, 2008
5758428	Rafter measuring and positioning template and method	Jun. 2, 1998
5384967	Collapsible rafter square	Jan. 31, 1995
4527341	Angle determinator of parallelogram type	Jul. 9, 1985
4328619	Length and angle gauge	May. 11, 1982