USD180840S - Convection heater - Google Patents

Convection heater Download PDF

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Publication number
USD180840S
USD180840S US D180840 S USD180840 S US D180840S
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US
United States
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convection heater
heater
convection
apr
united states
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Max Nathanson
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United States Patent Ofifice Des-180,84"
Patented Aug. 20, 1957 CONVECTION HEATER Max Nathanson, Montreal, Quebec, Canada Application February 27, 1956, Serial No. 40,374
Term of patent 14 years (Cl. D8110) Fig. 1 is a front elevation of a convection heater em- References Cited in the file of this patent gy g f gi ga d UNITED STATES PATENTS 1g. 1sa panv w; n
D. 113 498 Samuels Feb 28 1939 F 5,3 3 there D. 144,585 Roblnette Apr. 30, 1946 D. 169,396 Stirbis et a1. Q Apr. 21, 1953 The ornamental deslgn for a convection heater, as D. 172,503 Johnson June 29, 1954 shown.
OTHER REFERENCES Electrical Merchandising for March 1953, page 188, Paley Heater Unit.

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