Sash lock

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Description

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

FIG. 2 is a top plan view thereof,

FIG. 3 is a bottom plan view thereof,

FIG. 4 is an end elevational view thereof,

FIG. 5 is a front elevational view thereof, and,

FIG. 6 is a rear elevational view thereof.

Referenced Cited
U.S. Patent Documents
D215080 September 1969 Ahlgren
948588 February 1910 Kissinger
2599196 June 1952 Peremi
3469877 September 1969 Hutchison
Patent History
Patent number: D249017
Type: Grant
Filed: Aug 25, 1977
Date of Patent: Aug 22, 1978
Inventor: Michael Costello (East Boston, MA)
Primary Examiner: Wallace R. Burke
Assistant Examiner: James M. Gandy
Attorney: Gerald Altman
Application Number: 5/827,817
Classifications
Current U.S. Class: D/8337
International Classification: D0807;