Unit for preventing the use of an electronic appliance during certain time intervals

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Description

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.

Referenced Cited
U.S. Patent Documents
D280381 September 3, 1985 Schultz
4348696 September 7, 1982 Beier
4573332 March 4, 1986 Ma
5007256 April 16, 1991 Lowe
Patent History
Patent number: D333632
Type: Grant
Filed: Nov 9, 1990
Date of Patent: Mar 2, 1993
Inventors: Soo-Young Oh (Fremont, CA), Yong Paik (Danville, CA)
Primary Examiner: Brian N. Vinson
Law Firm: Townsend and Townsend
Application Number: 7/612,276
Classifications
Current U.S. Class: D10/104; D/8331