Base-point anchor

Details Base-point anchor Base-point anchor

1990-12-10

1992-01-14

Will, Thomas B.

Geometrical instruments

Indicator of direction of force traversing natural media

Level or plumb, terrestrial gravitation responsive

33404, 33414, 52105, G01C 1510

Patent

active

050798480

ABSTRACT:
A base-point anchor that will allow anchoring of chalklines, plumb bob lines, string for layout lines and tape rules, comprising a body with adhesive locking apertures and an anchor aperture and a bulk adhesive adhering to the body and extruded into the adhesive locking apertures.

REFERENCES:
patent: 756633 (1904-04-01), Herrick
patent: 946579 (1910-01-01), Peacock
patent: 1408347 (1922-02-01), Currie
patent: 1874057 (1932-08-01), Murphy
patent: 2545321 (1951-03-01), Tumminello
patent: 2794263 (1957-06-01), Crammer
patent: 3068573 (1962-12-01), Sidwell
patent: 3145477 (1964-08-01), Morrison
patent: 3662471 (1972-05-01), Lynde
patent: 4353167 (1982-10-01), Martin
patent: 4641433 (1987-02-01), Sing

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