Screwdriver
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Description
Claims
The ornamental design for screwdriver, as shown and described.
Referenced Cited
U.S. Patent Documents
3742787 | July 1973 | Whiteford |
D248922 | August 15, 1978 | Osak, Jr. |
D276211 | November 6, 1984 | Lee |
D278027 | March 19, 1985 | Tang |
D278593 | April 30, 1985 | MacGregor |
D387964 | December 23, 1997 | Urvoy |
D388680 | January 6, 1998 | Lin |
D401493 | November 24, 1998 | Lin |
D410371 | June 1, 1999 | Sheu |
5967003 | October 19, 1999 | Lin |
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D573862 | July 29, 2008 | Kao |
D592313 | May 12, 2009 | Levine |
Patent History
Patent number: D601399
Type: Grant
Filed: Sep 26, 2008
Date of Patent: Oct 6, 2009
Assignee: (Yilan County)
Inventor: Tsai-Ching Chen (Fu Hsing)
Primary Examiner: Philip S Hyder
Attorney: Kamrath & Associates PA
Application Number: 29/325,148
Type: Grant
Filed: Sep 26, 2008
Date of Patent: Oct 6, 2009
Assignee: (Yilan County)
Inventor: Tsai-Ching Chen (Fu Hsing)
Primary Examiner: Philip S Hyder
Attorney: Kamrath & Associates PA
Application Number: 29/325,148
Classifications
Current U.S. Class:
D8/83