Keyless lock

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Description

FIG. 1 is a top, front, and right side perspective view of a keyless lock showing our new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a rear elevation view thereof;

FIG. 7 is a right side elevational view thereof;

FIG. 8 is a left side elevational view thereof, with the protective cover shown rotated to an open position, the right side being a mirror image of that shown; and

FIG. 9 is a front elevational view thereof, with the protective cover shown rotated to an open position.

Referenced Cited
U.S. Patent Documents
D290442 June 23, 1987 Floyd et al.
D305861 February 6, 1990 Kautt
3353383 November 1967 Fish
4637237 January 20, 1987 Witkoski et al.
4899562 February 13, 1990 Gartner et al.
4956984 September 18, 1990 Chi-Cheng
Patent History
Patent number: D322386
Type: Grant
Filed: Oct 11, 1989
Date of Patent: Dec 17, 1991
Assignee: Allister Manufacturing Company, Inc. (West Chester, PA)
Inventors: John F. Ginther (North Wales, PA), Kim E. Burrichter (Upper Darby, PA), Charles P. Coggins (Downingtown, PA), David C. Guthrie (Chester Springs, PA), Mark K. Lucchi (West Chester, PA)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Brian N. Vinson
Attorney: Robert Charles Beam
Application Number: 7/419,632
Classifications
Current U.S. Class: D/8330