Geometrical instruments – Straightedge type – Base attached
Patent
1983-02-16
1984-09-11
Haroian, Harry N.
Geometrical instruments
Straightedge type
Base attached
33 2H, B43L 1300
Patent
active
044702019
ABSTRACT:
A seam marker includes a flat base with an upstanding shoulder so that a piece of cloth may be placed on the base with an edge against the shoulder. An elongated strip extends over the cloth with a straight edge parallel to the shoulder and the strip is secured to the base and is resilient so that it may be pressed down against the cloth to clamp the latter against the base at which time a seam line may be marked along the straight edge of the strip.
REFERENCES:
patent: 87626 (1869-03-01), Bowly
patent: 714545 (1902-11-01), Whitehouse
patent: 797799 (1905-08-01), Fay
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patent: 944094 (1909-12-01), Hilton
patent: 977544 (1910-12-01), Payne
patent: 1667150 (1928-04-01), Griffith
patent: 1759989 (1930-05-01), Leaman
patent: 1979789 (1934-11-01), Barrett
patent: 2251866 (1941-08-01), Browning
patent: 2574148 (1951-11-01), Hutkin et al.
patent: 2863591 (1958-12-01), Butler
patent: 4038751 (1977-08-01), Albright
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