Portable heater

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Description

FIG. 1 is a perspective view of a portable heater showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a rear elevational view thereof; and

FIG. 7 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D275697 September 25, 1984 Bales et al.
1866221 July 1932 Pennington
1945815 February 1934 Landerman
2276407 March 1942 Manzer
2481963 September 1949 Witte et al.
3152241 October 1964 Ammerman
3179788 April 1965 Uhlig
3267255 August 1966 Schulz
3640456 February 1972 Sturgis
4097721 June 27, 1978 DelPercio et al.
4567351 January 28, 1986 Kitagawa et al.
Other references
  • House & Home, Jan. 1961, p. 228, Baseboard Heater A, left middle side of page. Electrical Merchandising, 7/9/62, p. 62, Arvin Baseboard Heaters Models 32H22 and 22H21, top and lower right side of page respectively. Gainger's Spring '86 Cat., p. 1188, Electric Baseboard Heater No. 2E697, top of page. Intertherm Inc. Electric Heating Products Catalogue, Apr. '87, p. 2, Softheat Baseboard Heater Model NP, top of page. Electric Products, Inc. Cat., front cover, baseboard heater A, lower left side of page.
Patent History
Patent number: D320648
Type: Grant
Filed: Jun 28, 1990
Date of Patent: Oct 8, 1991
Assignee: Techno-Therm Corporation (Erie, CO)
Inventor: Joseph E. Velazquez (Englewood, CO)
Primary Examiner: James M. Gandy
Assistant Examiner: Lisa Lichtenstein
Law Firm: Sheridan, Ross & McIntosh
Application Number: 7/547,432
Classifications
Current U.S. Class: Heating Element Protected By Grille, Grid, Etc. (D23/335)