Patent
   D333632
Priority
Nov 09 1990
Filed
Nov 09 1990
Issued
Mar 02 1993
Expiry
Mar 02 2007
Assg.orig
Entity
unknown
1
4
n/a
The ornamenal design for an unit for preventing the use of an electronic appliance during certain time intervals, as shown and described.

FIG. 1 is a top, front, and left side perspective view of a unit for preventing the use of an electronic appliance during certain time intervals showing my new design;

FIG. 2 is an enlarged top plan view thereof;

FIG. 3 is an enlarged front elevational view thereof;

FIG. 4 is an enlarged right side elevational view thereof;

FIG. 5 is an enlarged left side elevational view thereof;

FIG. 6 is an enlarged rear elevational view thereof; and,

FIG. 7 is an enlarged bottom plan view thereof.

Oh, Soo-Young, Paik, Yong

Patent Priority Assignee Title
D381589, Nov 17 1995 IDT International Limited Timer
Patent Priority Assignee Title
4348696, Sep 08 1980 Television viewing control device
4573332, May 10 1984 Idesign, Inc. Portable security box
5007256, Sep 20 1989 Cartridge operated entertainment system with removal deterrent device for preventing unauthorized use
D280381, Mar 17 1982 Casing for a power lock
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