Geometrical instruments – Scriber – Curved line
Patent
1977-01-26
1979-02-06
Phillips, Charles E.
Geometrical instruments
Scriber
Curved line
G01C 1510
Patent
active
041376366
ABSTRACT:
A bracket for a profile apparatus for block walls having a body, two spaced arms extending normally to the body, one of the arms having an adjustable screw. Apparatus for establishing a vertical in a block wall incorporates the bracket together with a tube to be set vertical and held against the wall by the bracket.
REFERENCES:
patent: 987424 (1911-03-01), Bethel
patent: 1004194 (1911-09-01), Platt
patent: 2491638 (1949-12-01), Ayers
patent: 2788579 (1957-04-01), Mills
patent: 2883677 (1959-04-01), Geen
patent: 2893125 (1959-07-01), Kampel
patent: 3205582 (1965-09-01), Andrews
patent: 3349494 (1967-10-01), Blake
patent: 3626434 (1971-12-01), Miller
Phillips Charles E.
Universal Bricklaying Systems Pty. Ltd.
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