Card-key for electronic card-reading receptacle

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Description

FIG. 1 is a front and top perspective view of a card-key for electronic card-reading receptacle showing my new design;

FIG. 2 is a side elevational thereof;

FIG. 3 is a rear elevational view thereof; and

FIG. 4 is a bottom plan view thereof.

The side view opposite to that shown in FIG. 2 is a mirror image thereof.

Referenced Cited
U.S. Patent Documents
D264853 June 8, 1982 Scavino et al.
D276820 December 18, 1984 Lill
D278836 May 14, 1985 Flies
4536015 August 20, 1985 Kirstein
Patent History
Patent number: D287027
Type: Grant
Filed: Mar 19, 1984
Date of Patent: Dec 2, 1986
Inventor: Bruno V. Stiler (Bannockburn, IL)
Primary Examiner: Bernard Ansher
Assistant Examiner: Theodore M. Shooman
Law Firm: Lee, Smith & Zickert
Application Number: 6/590,970