Heating pad

Description

FIG. 1 is an elevational view of a heating pad, showing my new design;

FIG. 2 is an edge view thereof;

FIG. 3 is an elevational view of the side opposite that shown in FIG. 1.

Referenced Cited
U.S. Patent Documents
D91840 March 1934 Proctor
D122456 September 1940 Bradford
D273517 April 17, 1984 Medlin et al.
D274097 May 29, 1984 Nakao et al.
2769892 November 1956 Collins
3178559 April 1965 Fogel et al.
3778590 December 1973 Iizuka et al.
4061897 December 6, 1977 Thykeson
4186294 January 29, 1980 Bender
Patent History
Patent number: D279818
Type: Grant
Filed: Jun 10, 1982
Date of Patent: Jul 23, 1985
Inventor: Randall C. Douglas (Takoma Park, MD)
Primary Examiner: Catherine E. Kemper
Application Number: 6/387,021
Classifications
Current U.S. Class: D24/36