Rechargeable battery heating unit

Electric heating – Heating devices – Combined with container – enclosure – or support for material...

Patent

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Details

219386, 219435, 219521, F27D 1102

Patent

active

039314944

ABSTRACT:
An improved warming container which may comprise either a cup, pot, bowl or the like, and which includes an electric heating element built into its bottom and side walls, the heating element being connected to a rechargeable battery, thermostat and switch located on its underside and which are completely enclosed so to allow the vessel being fully submerged during washing without damage to the electric system.

REFERENCES:
patent: 2277605 (1942-03-01), Palitzsch
patent: 2516637 (1950-07-01), McCollum
patent: 2915614 (1959-12-01), Loomis
patent: 3226528 (1965-12-01), Martin
patent: 3247360 (1966-04-01), Ponder
patent: 3277271 (1966-10-01), Hunt
patent: 3290484 (1966-12-01), Day
patent: 3432641 (1969-03-01), Welke
patent: 3482078 (1969-12-01), Milne
patent: 3549861 (1970-12-01), Trachtenberg et al.

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