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Security lock for window sash
D399120 Security lock for window sash
Patent Drawings:Drawing: D399120-2    Drawing: D399120-3    
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(2 images)

Inventor: Costello
Date Issued: October 6, 1998
Application: D/063,741
Filed: December 13, 1996
Inventors: Costello; Michael (East Boston, MA)
Primary Examiner: Vinson; Brian N.
Assistant Examiner:
Attorney Or Agent: Morse & AltmanAltman; Gerald
U.S. Class: D8/338; D8/343
Field Of Search: D8/336; D8/338; 70/89; 70/90; 292/194; 292/240; 292/241; 292/242; 292/346
International Class:
U.S Patent Documents: D249017; D268643; D293548; D350275; 4102546; 4223930; 4235465
Foreign Patent Documents:
Other References:

Claim: The ornamental design for security lock for window sash, as shown and described.
Description: FIG. 1 is a top plan view of a security lock for window sash showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view thereof, the left side being a mirror image of that shown; and,

FIG. 4 is a bottom plan view thereof.

The rear is plain and un-ornamented, and the broken-line disclosure is for illustrative purposes only and forms no part of the claimed design.

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