Portable electric heater
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Description
FIG. 1 is a front, top, and left side perspective view of a portable electric heater showing my new design;
FIG. 2 is a bottom plan view thereof;
FIG. 3 is a rear elevation view thereof; and,
FIG. 4 is a right side elevation view thereof.
Referenced Cited
U.S. Patent Documents
Other references
D84940 | August 1931 | Kahn |
D93860 | November 1934 | Wolters |
D163235 | May 1951 | Wilson |
D170488 | September 1953 | Wilson |
D190832 | July 1961 | Petrucelli |
D276457 | November 20, 1984 | Heger |
D287080 | December 9, 1986 | Densen |
2533409 | December 1950 | Tice |
- Efel Co. Adv. Brochure, p. 2, Monatana Stove, top right side of page. Tradeshow Brochures Box I. Alternative Energy Retailer, 3/84 p. 41, Severn Stove, WHA 1984 Tradeshow Brochures Box I. Copper-Clad Malleable Range Co., p. 9, Twin Flue Super-Heater.
Patent History
Patent number: D328341
Type: Grant
Filed: Aug 1, 1990
Date of Patent: Jul 28, 1992
Assignee: Duracraft Corporation (Sudbury, MA)
Inventor: Bernard Chiu (Ashland, MA)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Lisa Lichtenstein
Attorneys: John E. Toupal, Harold G. Jarcho
Application Number: 7/561,534
Type: Grant
Filed: Aug 1, 1990
Date of Patent: Jul 28, 1992
Assignee: Duracraft Corporation (Sudbury, MA)
Inventor: Bernard Chiu (Ashland, MA)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Lisa Lichtenstein
Attorneys: John E. Toupal, Harold G. Jarcho
Application Number: 7/561,534
Classifications
Current U.S. Class:
Ornate Cast Iron Type (26) (D23/346);
D/6448;
D/6440;
D/6470