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Class Information
Number: 33/415
Name: Geometrical instruments > Straightedge type > Multiplane angularly adjustable
Description: Subject matter comprising a plurality of connected straightedges for varying the relative position of the straightedges in more than one plane.

Sub-classes under this class:

Class Number Class Name Patents
33/416 Roof framing 10

Patents under this class:

Patent Number Title Of Patent Date Issued
8146260 Framing square Apr. 3, 2012
8074368 Hinged measuring and marking device Dec. 13, 2011
7739806 Three-dimensional combination measuring tool Jun. 22, 2010
7546687 Framing tool Jun. 16, 2009
7051445 Apparatus generating a light illuminated line May. 30, 2006
6918190 Mechanism for simultaneously adjusting the step support angles of a straight staircase Jul. 19, 2005
6775917 Adjustable angle cutting jig device and method of using Aug. 17, 2004
6729088 Positioning jig for installing molding May. 4, 2004
6591511 Framing square Jul. 15, 2003
6453568 Laser protractor Sep. 24, 2002
5533556 Router guide apparatus Jul. 9, 1996
5461798 Stair stringer layout jig Oct. 31, 1995
5359782 Compound sliding bevel square Nov. 1, 1994
5323541 Template for laying out a one-piece cover for a stair step Jun. 28, 1994
5199179 Apparatus and method for measuring angles between angularly related flat surfaces Apr. 6, 1993
4771548 Biplane goniometer Sep. 20, 1988
4328619 Length and angle gauge May. 11, 1982

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