Geometrical instruments – Area integrators – Electrical
Patent
1979-10-01
1980-12-30
Little, Willis
Geometrical instruments
Area integrators
Electrical
33189, 33192, 33451, 33474, G01B 302
Patent
active
042415101
ABSTRACT:
A device for aiding in the hanging of a picture or similar wall supported member. The device is of an inverted "T" shape having cross arms and a neck part. Slide members are carried on the cross arms to engage a hanging wire. Locating marks on the neck part indicate the top of the picture and are used to position the device at a desired wall location for the picture with the slide members locating the hangers, such as hooks.
REFERENCES:
patent: 346371 (1886-07-01), Humphrey
patent: 1221777 (1917-04-01), Uney
patent: 1373367 (1921-03-01), Summers
patent: 2118747 (1938-05-01), Vest
patent: 2816366 (1957-12-01), Barlow
patent: 3516165 (1970-06-01), Pfeffer
patent: 3530591 (1970-09-01), Moffitt
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