Defroster key case

Details Defroster key case Defroster key case

1975-02-11

1976-08-10

Gilliam, Paul R.

Locks

Parts, attachments, accessories and adjuncts

70456R, 219201, A45C 1132, H05B 306

Patent

active

039734226

ABSTRACT:
A key case which includes a battery and a coil disposed in coaxial relationship with respect to a swivel pin for carrying keys. A switch selectively connects the battery and the coil for heating of the keys to assist in insertion thereof into locks which may be frozen.

REFERENCES:
patent: 1909941 (1933-05-01), Finch
patent: 2965741 (1960-12-01), Blazina

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