Title:
Portable heater
United States Patent D320648


Inventors:
Velazquez, Joseph E. (Englewood, CO)
Application Number:
D/547432
Publication Date:
10/08/1991
Filing Date:
06/28/1990
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Assignee:
Techno-Therm Corporation (Erie, CO)
Primary Class:
D23/335
Field of Search:
D23/330, D23/332, D23/335, D23/314, D23/389, 237/70, 392/373, 392/374, 392/352, 392/354
US Patent References:
D275697Electric baseboard heaterSeptember, 1984Bales et al.D23/389
1866221Electric steam radiatorJuly, 1932Pennington392/357
1945815Electric steam radiatorFebruary, 1934Landerman392/357
2276407Heating apparatusMarch, 1942Manzer237/16
2481963Electrically heated fan-radiator apparatusSeptember, 1949Witte et al.392/358
3152241Electric heater assembliesOctober, 1964Ammerman392/352
3179788Liquid circulation type electric baseboard space heaterApril, 1965Uhlig392/359
3267255Forced air electric baseboard heaterAugust, 1966Schulz392/368
3640456SELF-CONTAINED STEAM HEATING UNITFebruary, 1972Sturgis237/7
4097721Multiple unit electrical baseboard heaterJune, 1978DelPercio et al.392/359
4567351Electric space heater employing a vaporizable heat exchange fluidJanuary, 1986Kitagawa et al.392/377
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.
Primary Examiner:
Gandy, James M.
Assistant Examiner:
Lichtenstein, Lisa
Attorney, Agent or Firm:
Sheridan, Ross & McIntosh
Claims:
1. The ornamental design for a portable heater, as shown.

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.