Geometrical instruments
Patent
1986-03-10
1987-03-31
Weidenfeld, Gil
Geometrical instruments
339 36, H01R 1344
Patent
active
046538240
ABSTRACT:
A lock-out device is provided for preventing unauthorized use of an electrical appliance such as a television, power tool, or the like. The lock-out device comprises an open-ended housing for receiving the electrical plug of an electrical appliance. A lock member is carried by the housing generally at or near the entrance end thereof to prevent unauthorized removal of the plug from the housing, thereby preventing unauthorized use of the appliance.
REFERENCES:
patent: 2955272 (1960-10-01), Gallardo
patent: 3345600 (1967-10-01), Scherer
Jacobson Mark H.
Jason Phillipp
Austin Paula A.
Weidenfeld Gil
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