Carpet knife
Description
Claims
The ornamental design for the carpet knife, as shown and described.
Referenced Cited
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Patent History
Patent number: D645721
Type: Grant
Filed: Jun 19, 2010
Date of Patent: Sep 27, 2011
Inventor: Yuewei Wu (Ninghai)
Primary Examiner: Philip S Hyder
Assistant Examiner: Roselynne Cody
Application Number: 29/364,172
Type: Grant
Filed: Jun 19, 2010
Date of Patent: Sep 27, 2011
Inventor: Yuewei Wu (Ninghai)
Primary Examiner: Philip S Hyder
Assistant Examiner: Roselynne Cody
Application Number: 29/364,172
Classifications
Current U.S. Class:
D8/99