Keypad-operated access control unit


FIG. 1 is an isometric view of a keypad-operated access control unit showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a top plan view thereof; and

FIG. 7 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D230601 March 1974 Cross et al.
D248233 June 20, 1978 Dibenedetto
D268029 February 22, 1983 Fisher
D283406 April 15, 1986 Green, Jr.
D285668 September 16, 1986 Tanaka et al.
3187528 June 1965 Check
Patent History
Patent number: D295255
Type: Grant
Filed: Feb 4, 1986
Date of Patent: Apr 19, 1988
Assignee: Marlee Electronics Corporation (Inglewood, CA)
Inventor: Barbara J. Mauch (Inglewood, CA)
Primary Examiner: B. J. Bullock
Assistant Examiner: Brian N. Vinson
Law Firm: Nilsson, Robbins, Dalgarn, Berliner, Carson & Wurst
Application Number: 6/826,047
Current U.S. Class: D/8330; D14/107