Geometrical instruments – Straightedge type – Wall guide and plumb
Reexamination Certificate
2005-03-01
2005-03-01
Bennett, G. Bradley (Department: 2859)
Geometrical instruments
Straightedge type
Wall guide and plumb
C033S407000, C249S015000
Reexamination Certificate
active
06860024
ABSTRACT:
A quoin tool and method for constructing a quoin corner and a regular corner on a structure. The quoin tool includes a two frames rotatably joined by a series of cross-members. Slots are defined between the cross-members to allow egress of mortar during bricklaying. Spaces are attached to the frame to provide along with the frame, a surface for arranging bricks in a protruding pattern. The frame removably attaches to the structure via a pair of braces and is supported by brackets attached to the bottom of the frame. The regular corner is of a similar configuration but without the spacers so that the brick are flush with an adjoining wall. Furthermore, the method includes use of a twig for quickly running and securing a leveling line to serve as a guide in laying courses of brick.
REFERENCES:
patent: 2728142 (1955-12-01), Betterton
patent: 2949673 (1960-08-01), Belcher
patent: 3348312 (1967-10-01), Jones
patent: 4080739 (1978-03-01), Ruhaak
patent: 4793586 (1988-12-01), Buss
patent: 4915344 (1990-04-01), Polak
patent: 4995167 (1991-02-01), Sanchez
patent: 5119565 (1992-06-01), Horvath et al.
patent: 5392523 (1995-02-01), Hurt
Near, US Patent Application Publication No. US 2003/0079437, May 1, 2003, see entire document.
Bennett G. Bradley
Kirk, Sr. Cary J.
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