Sash lock

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Description

FIG. 1 is a perspective view of a sash lock showing my new design;

FIG. 2 is a first side view thereof;

FIG. 3 is a second side view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a first end view thereof; and,

FIG. 6 is a second end view thereof.

The broken lines showing are for illustrative purposes and form no part of the claimed design.

Claims

The ornamental design for a sash lock, as shown and described.

Referenced Cited
U.S. Patent Documents
D185254 May 1959 Ahlgren
2997323 August 1961 Riser
3811718 May 1974 Bates
D268643 April 19, 1983 Anderson
D293548 January 5, 1988 Bates et al.
D295948 May 31, 1988 Mandell
D302651 August 8, 1989 Mosch
D418737 January 11, 2000 Libby et al.
D442058 May 15, 2001 Miller et al.
6983963 January 10, 2006 Eslick et al.
7017957 March 28, 2006 Murphy et al.
20030155777 August 21, 2003 Eslick et al.
Patent History
Patent number: D578865
Type: Grant
Filed: May 10, 2007
Date of Patent: Oct 21, 2008
Assignee: Liberty Hardware Mfg. Corp. (Winston-Salem, NC)
Inventor: Zhukai Zhang (Chicago, IL)
Primary Examiner: Prabhakar Deshmukh
Assistant Examiner: Derrick Holland
Attorney: Edgar A. Zarins
Application Number: 29/286,534
Classifications
Current U.S. Class: D8/337