Sash lock
Latest Liberty Hardware Mfg. Corp. Patents:
Description
Claims
The ornamental design for a sash lock, as shown and described.
Referenced Cited
U.S. Patent Documents
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D295948 | May 31, 1988 | Mandell |
D302651 | August 8, 1989 | Mosch |
D418737 | January 11, 2000 | Libby et al. |
D442058 | May 15, 2001 | Miller et al. |
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D527613 | September 5, 2006 | Omangi et al. |
D539634 | April 3, 2007 | Tanaka et al. |
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Patent History
Patent number: D569222
Type: Grant
Filed: Apr 25, 2007
Date of Patent: May 20, 2008
Assignee: Liberty Hardware Mfg. Corp. (Winston-Salem, NC)
Inventor: Chia Ying Lee (Chicago, IL)
Primary Examiner: Stella M. Reid
Assistant Examiner: Shanda C. Hill
Attorney: Edgar A. Zarins
Application Number: 29/286,162
Type: Grant
Filed: Apr 25, 2007
Date of Patent: May 20, 2008
Assignee: Liberty Hardware Mfg. Corp. (Winston-Salem, NC)
Inventor: Chia Ying Lee (Chicago, IL)
Primary Examiner: Stella M. Reid
Assistant Examiner: Shanda C. Hill
Attorney: Edgar A. Zarins
Application Number: 29/286,162
Classifications
Current U.S. Class:
D8/337