Bidirectional safety knife
Description
The broken lines in
Claims
The ornamental design for a bidirectional safety knife, as shown and described.
Referenced Cited
U.S. Patent Documents
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- Biddi. Downloaded Nov. 12, 2010 at http://www.sawtrax.com/Biddi.html.
Patent History
Patent number: D631724
Type: Grant
Filed: Sep 8, 2009
Date of Patent: Feb 1, 2011
Inventor: Michael Della Polla (Kennesaw, GA)
Primary Examiner: Philip S Hyder
Assistant Examiner: Roselynne Cody
Application Number: 29/316,230
Type: Grant
Filed: Sep 8, 2009
Date of Patent: Feb 1, 2011
Inventor: Michael Della Polla (Kennesaw, GA)
Primary Examiner: Philip S Hyder
Assistant Examiner: Roselynne Cody
Application Number: 29/316,230
Classifications
Current U.S. Class:
D8/98