Ceramic heating element

Description

FIG. 1 is a perspective view of a ceramic heating element showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevation view thereof, the rear being a mirror image of that shown; and

FIG. 4 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D202141 August 1965 Hall
D214001 April 1969 Steinbach et al.
D217642 May 1970 Blecher
D256724 September 2, 1980 Boggs et al.
2653800 September 1953 Anton
2959925 November 1960 Frantti et al.
3229070 January 1966 Wells
3269875 August 1966 White
4302659 November 24, 1981 Horiba et al.
Other references
  • Sears Auto Center, Auto and Truck Parts and Accessories Catalogue, 1974, p. 13, Sears Air Filter Elements, top of page.
Patent History
Patent number: D304230
Type: Grant
Filed: Oct 21, 1987
Date of Patent: Oct 24, 1989
Inventor: Tim Wang (Tai-Ping Village)
Primary Examiner: James Gandy
Assistant Examiner: Lisa Lichtenstein
Law Firm: Darby & Darby
Application Number: 7/111,971
Classifications