Door leveling device

Details Door leveling device Door leveling device

1987-04-20

1988-04-26

Haroian, Harry N.

Geometrical instruments

Indicator of direction of force traversing natural media

Level or plumb, terrestrial gravitation responsive

33372, G01C 924

Patent

active

047395613

ABSTRACT:
For leveling prehung door assemblies a device is described on which a level indicator is mounted on one flange of a channel member that can be snap fitted onto the door edge.

REFERENCES:
patent: 376341 (1988-01-01), Panyard
patent: 449609 (1891-03-01), Green
patent: 1200410 (1916-10-01), Chemrinsky
patent: 1605520 (1926-11-01), Dodge
patent: 1618237 (1927-02-01), Sturm
patent: 2803062 (1957-08-01), Dutcher
patent: 2834118 (1958-05-01), Jackson
patent: 3442024 (1969-05-01), Don
patent: 4404752 (1983-09-01), Hanna

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