Door latch

- Winfield Locks, Inc.

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Description

FIG. 1 is a front perspective view of a door latch having the inventive ornamental design;

FIG. 2 is a top view of the door latch of FIG. 1;

FIG. 3 is a bottom view of the door latch of FIG. 1;

FIG. 4 is a front view of the door latch of FIG. 1 with phantom lines representing door latch, card reader slot, and LED windows omitted for clarity; and,

FIG. 5 is a side view of the door latch of FIG. 1.

Any broken line illustration in the drawing disclosure is not part of the design sought to be patented.

FIGS. 2-5 are shown on an enlarged scale.

Referenced Cited
U.S. Patent Documents
D148302 January 1948 Karlstad
D167760 September 1952 Ludwig
D334881 April 20, 1993 Sentschak, II et al.
D345684 April 5, 1994 Shaanan
D391828 March 10, 1998 Carsello
D393994 May 5, 1998 Hankel et al.
3688531 September 1972 Hawkins
4109948 August 29, 1978 Potter et al.
4561684 December 31, 1985 Marotto
4679416 July 14, 1987 Kambic
4739638 April 26, 1988 Lin
4873853 October 17, 1989 Foshel
Patent History
Patent number: D423912
Type: Grant
Filed: May 17, 1999
Date of Patent: May 2, 2000
Assignee: Winfield Locks, Inc. (Costa Mesa, CA)
Inventors: Charles W. Moon (Colorado Springs, CO), Edward D. Mitchell (Los Angeles, CA)
Primary Examiner: B. J. Bullock
Law Firm: Reising, Ethington, Barnes, Kisselle, Learman & McCulloch, P.C.
Application Number: 0/105,079
Classifications
Current U.S. Class: D/8353; D8/358
International Classification: 1105;