Brick laying alignment apparatus

Geometrical instruments – Straightedge type – Wall guide and plumb

Reexamination Certificate

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Reexamination Certificate

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11429621

ABSTRACT:
A brick laying alignment apparatus comprising two identical holders fitted with stagger bolts and guide pins. Each holder further comprises a vee on the first end, the vee having a ramp on either side and a wedge in the base of the vee for removable string engagement. The string is pulled taught between the holders, thereby holding them in place on remotely positioned bricks to be used in aligning further bricklaying.

REFERENCES:
patent: 2948065 (1960-08-01), Simonic
patent: 3119186 (1964-01-01), Stewart
patent: 3183595 (1965-05-01), Jopperi
patent: 3461565 (1969-08-01), Harris
patent: 3555688 (1971-01-01), Smathers
patent: 3626434 (1971-12-01), Miller
patent: 3698089 (1972-10-01), Huston
patent: 4084321 (1978-04-01), Huston
patent: D300599 (1989-04-01), Ledenican
patent: 4937946 (1990-07-01), Steinhoff
patent: 5009015 (1991-04-01), Redl
patent: 5125162 (1992-06-01), Prebeck
patent: 5129150 (1992-07-01), Sorensen
patent: D347798 (1994-06-01), Tindoll
patent: 2666366 (1992-03-01), None

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