Geometrical instruments – Indicator of direction of force traversing natural media – Level or plumb – terrestrial gravitation responsive
Reexamination Certificate
2008-04-01
2008-04-01
Guadalupe-McCall, Yaritza (Department: 2859)
Geometrical instruments
Indicator of direction of force traversing natural media
Level or plumb, terrestrial gravitation responsive
Reexamination Certificate
active
11384650
ABSTRACT:
Various embodiments of the present invention provide an inexpensive and easy to use apparatus and method that permits a user to attach an apparatus to existing picture frames or other objects with various advantages. Such embodiments will keep a picture, object or frame in a substantially continuously level position or otherwise aligned position. Thus, using the disclosed apparatus, a user can ensure that any picture, frame or other hanging and relatively flat object will generally remain in a pleasantly horizontal or other desired aspect, without need for ongoing user inspection or manual adjustment.
REFERENCES:
patent: 6800841 (2004-10-01), Chou
patent: 6987460 (2006-01-01), Tews et al.
Gonzales Ellen
Gonzales Patent Services
Guadalupe-McCall Yaritza
Leviathan Entertainment
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