Coating apparatus – Work holders – or handling devices
Reexamination Certificate
2006-07-18
2006-07-18
Edwards, Laura (Department: 1734)
Coating apparatus
Work holders, or handling devices
C118S503000, C118S504000, C118S505000
Reexamination Certificate
active
07077909
ABSTRACT:
A paint shield device for doorknobs of various sizes. The device includes two flexible clamshell shaped half cups mold formed together as a unit and connected together along a living hinge between the half cups. The half cups are pivotally movable together about the living hinge to mate or overlap each free distal side margin of each of the half cups to form a substantially complete cup having a substantially cylindrical side wall, a substantially closed bottom, and an open end adapted to admit a doorknob therein. A prong or post extends outwardly from an outer sidewall surface of each half cup to receive an elastic connector stretchably attachable to each prong or post with the half cups in the closed position to produce sufficient biasing force to hold the device in position over the doorknob.
REFERENCES:
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patent: 3174788 (1965-03-01), Williams
patent: 3722470 (1973-03-01), Farrell
patent: 4327663 (1982-05-01), Izzo
patent: 4656058 (1987-04-01), Stark
patent: 4695486 (1987-09-01), Stark
patent: 4921028 (1990-05-01), Schwartz
patent: 5008551 (1991-04-01), Randolph
patent: 5840122 (1998-11-01), Williams
patent: 6165269 (2000-12-01), Kathe
Edwards Laura
Prescott Charles J.
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