Title: Defroster key case

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.

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Inventors: Cervera, Frank (Yonkers, NY, US)

Application Number: 549069
Filing Date: 1975-02-11
Publication_date: 1976-08-10
Assignee: Lawrence Peska Associates (New York, NY)
Primary Class(es): 70/431 70/456R, 219/201, 219/240
Other Classes:
US Patent Ref:

1909941	May, 1933	Finch	70/456.
2965741	Dec, 1960	Blazina	70/431.

Other Refs: 1,430,621424,172

Dec, 1968	DT
Aug, 1947	IT

Primary Examiner: Gilliam, Paul R.
Assistant Examiner: Pietruszka, Carl F.
Attorney: