Window lock

- Chubb Australia Limited

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

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a left-side elevational view thereof, and

FIG. 7 is a right-side elevational view thereof.

Referenced Cited
U.S. Patent Documents
D293878 January 26, 1988 Kayser
4506527 March 26, 1985 Grill
4514996 May 7, 1985 Sjogren
4639022 January 27, 1987 Dunphy et al.
Patent History
Patent number: D303079
Type: Grant
Filed: Jun 21, 1988
Date of Patent: Aug 29, 1989
Assignee: Chubb Australia Limited (New South Wales)
Inventor: John Parthenis (Brookvale)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Brian N. Vinson
Law Firm: Townsend and Townsend
Application Number: 7/209,756
Current U.S. Class: D/8331