Electric heating – Heating devices – Combined with diverse-type art device
Patent
1974-08-05
1976-03-23
Albritton, C. L.
Electric heating
Heating devices
Combined with diverse-type art device
36 26, 36 44, 128383, 219528, 219536, H05B 100
Patent
active
039461939
ABSTRACT:
A heated inner sole for use in a boot where the inner sole comprises a cellular plastic material overlaid by a fabric material having heating elements therebetween. The opposite side of the cellular material has a pressure sensitive adhesive thereon by which the inner sole may be affixed to the inside of a boot. The heating elements are connected by wiring to a battery contained in a battery case carried by slide means attached to the boot heel.
REFERENCES:
patent: 721270 (1903-02-01), Zeckendorf
patent: 974220 (1910-11-01), West
patent: 1430404 (1922-09-01), Radford
patent: 2692326 (1954-10-01), Crowell
patent: 3071877 (1963-01-01), Stickles
patent: 3103219 (1963-09-01), Chadner
patent: 3547725 (1970-12-01), Shomphe et al.
patent: 3621191 (1971-11-01), Cornwell
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