Framing square apparatus

Details Framing square apparatus Framing square apparatus

2009-03-03

2010-10-19

Bennett, G. Bradley (Department: 2841)

Geometrical instruments

Straightedge type

Cord type

C033S474000

Reexamination Certificate

active

07814672

ABSTRACT:
The framing square apparatus provides immediate visual confirmation of a square relationship between two spaced apart surfaces or points. A user need only visually reference the position of the line between squares of the apparatus to determine such. The apparatus is provided with two squares, three squares, or four squares. The number of squares determines the number of points that can be established in square relationship. The line is selectively tied or knotted through the orifice of each square, as desired. The apparatus saves considerable time in determining square between two points, surfaces, corners, or the like. And, using more than two squares provides reference of additional points.

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patent: 2003/0182812 (2003-10-01), Tsaur
patent: 2009/0013546 (2009-01-01), Keller et al.
patent: 2009/0064513 (2009-03-01), Johnson

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