Dual-use circular knife
Description
Claims
The ornamental design for a dual-use circular knife, as shown and described.
Referenced Cited
U.S. Patent Documents
Other references
D288522 | March 3, 1987 | Salem |
5144749 | September 8, 1992 | Chen |
D537699 | March 6, 2007 | Fraga |
7204023 | April 17, 2007 | Chang |
D557583 | December 18, 2007 | Lewis et al. |
D582239 | December 9, 2008 | Eby et al. |
D602324 | October 20, 2009 | Hancock et al. |
20080010839 | January 17, 2008 | Eby et al. |
- Craft Cutter CC-10: Downloaded Feb. 26, 2020 at http://www.pdacardandcraft.co.uk/merchant.ihtml?step=4&lastcatid=150&pid=717.
- Reliable Hand Held Cloth Cutter Machine. Snagged Feb. 26, 2010 at http://images.google.com/imgres?imgurl=http://salestores.com/stores/images/images—. . . .
Patent History
Patent number: D633361
Type: Grant
Filed: Apr 17, 2009
Date of Patent: Mar 1, 2011
Inventor: Pi-Chao Chang (Taipei)
Primary Examiner: Philip S Hyder
Assistant Examiner: Roselynne Cody
Attorney: Banger Shia
Application Number: 29/311,541
Type: Grant
Filed: Apr 17, 2009
Date of Patent: Mar 1, 2011
Inventor: Pi-Chao Chang (Taipei)
Primary Examiner: Philip S Hyder
Assistant Examiner: Roselynne Cody
Attorney: Banger Shia
Application Number: 29/311,541
Classifications
Current U.S. Class:
D8/98