Leveling device

Details Leveling device Leveling device

1975-10-20

1976-10-12

Phillips, Charles E.

Geometrical instruments

Indicator of direction of force traversing natural media

Level or plumb, terrestrial gravitation responsive

G01C 928

Patent

active

039849198

ABSTRACT:
A leveling device for determining the level of surfaces and the like comprising an elongated stock having parallel top and bottom surfaces and parallel opposed side surfaces wherein a cluster of individual spirit tubes are adapted to be received in sockets formed on each side of such device. Portions of the stock positioned outward of such tubes are removed so that at least one and preferably paired sets of said tubes are visible when the device is sighted from any direction.

REFERENCES:
patent: 354076 (1886-12-01), Webb
patent: 719061 (1903-01-01), Traut
patent: 926661 (1909-06-01), Lieby
patent: 1303829 (1919-05-01), Vogel
patent: 3311988 (1967-04-01), Manville
patent: 3435533 (1969-04-01), Whitfield
patent: 3766657 (1973-10-01), Hopkins

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