Electric heating mattress

Details Electric heating mattress Electric heating mattress

1978-07-18

1979-07-24

Mayewsky, Volodymyr Y.

Electric heating

Heating devices

Combined with diverse-type art device

5459, 219528, H05B 336

Patent

active

041623932

ABSTRACT:
An electric mattress and subcombinations characterized by a thick fire-retardant foam rubber pad overlying one or more heating pads with a plurality of separately controllable heating zones.

REFERENCES:
patent: 2052644 (1936-09-01), Murphy
patent: 2114396 (1938-04-01), McFarlan et al.
patent: 2688070 (1954-08-01), Freedlander
patent: 2715674 (1955-08-01), Abbott et al.
patent: 2735926 (1956-02-01), Langlois
patent: 2873352 (1959-02-01), Franco
patent: 3125663 (1964-03-01), Hoffman
patent: 3172072 (1965-03-01), Willy
patent: 3380087 (1968-04-01), Petty et al.
patent: 3423574 (1969-01-01), Shomphe et al.
patent: 3924284 (1975-12-01), Nelson

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