Geometrical instruments – Straightedge type – Plural nonadjustable straightedges forming nonright angles
Reexamination Certificate
2011-04-12
2011-04-12
Guadalupe-McCall, Yaritza (Department: 2841)
Geometrical instruments
Straightedge type
Plural nonadjustable straightedges forming nonright angles
C033S492000
Reexamination Certificate
active
07921574
ABSTRACT:
A tool for aiding marking or cutting is described. A V-shaped member having an edge formed at an exterior apex of the V for guiding a marker or cutting tool. The exterior surfaces of the V-shaped member may have a material applied having a higher coefficient of friction than that of the V-shaped member. The edge at the apex of the V may have two substantially planar surfaces, each of which forms a complimentary angle with the interior apex angle of the V, or a thin metal portion formed in the exterior apex of the V so that an edge thereof protrudes sloping towards a surface on which the tool is laid. A graduated scale may be applied to an exterior surface of the tool at a location near the apex.
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Alsberg Keith D.
Bäckström Mikael
Brinks Hofer Gilson & Lione
Guadalupe-McCall Yaritza
Square 1 Product Development, Inc.
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