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
Other references
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. |
- 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
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
Current U.S. Class:
Element Or Attachment, Not Elsewhere Specified (D23/386)