Carpenter's saw guide and square

Details Carpenter's saw guide and square Carpenter's saw guide and square

1981-12-15

1983-09-20

Martin, Jr., William D.

Geometrical instruments

Straightedge type

Combined with level

33474, 33476, 33482, 33371, G01C 924

Patent

active

044047533

ABSTRACT:
A lightweight portable carpenter's tool that singularly performs the functions of triangle, ruler, square, protractor, and leveling device. The special protractor function allows for continuous same plane usage in order to scribe material or to guide a power saw across a given material.

REFERENCES:
patent: 1291476 (1919-01-01), Gilson
patent: 1619427 (1927-03-01), McCaffery
patent: 1855394 (1932-04-01), Hill
patent: 2043729 (1936-06-01), Bilder
patent: 2247327 (1941-06-01), Brady
patent: 2610407 (1952-09-01), McQuaid, Sr.
patent: 2633640 (1953-04-01), Bucsko
patent: 4338725 (1982-07-01), Martin et al.

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