Screwdriver
Description
The broken line structure in
Claims
The ornamental design for a screwdriver, as shown and described.
Referenced Cited
U.S. Patent Documents
D340633 | October 26, 1993 | Badiali |
D360344 | July 18, 1995 | Eggert et al. |
D363012 | October 10, 1995 | Humphries |
D383660 | September 16, 1997 | Anderson |
D384263 | September 30, 1997 | Lin |
D404277 | January 19, 1999 | Shiao |
D412096 | July 20, 1999 | Kung et al. |
D421886 | March 28, 2000 | Jau |
D423900 | May 2, 2000 | Hung |
D440140 | April 10, 2001 | Shiao |
6280047 | August 28, 2001 | Chen |
6364500 | April 2, 2002 | McCalla et al. |
Patent History
Patent number: D569210
Type: Grant
Filed: Sep 13, 2006
Date of Patent: May 20, 2008
Inventor: Ming-Chuan Chien (Taiping City, Taichung County 411)
Primary Examiner: Philip S Hyder
Attorney: Rosenberg, Klein & Lee
Application Number: 29/265,981
Type: Grant
Filed: Sep 13, 2006
Date of Patent: May 20, 2008
Inventor: Ming-Chuan Chien (Taiping City, Taichung County 411)
Primary Examiner: Philip S Hyder
Attorney: Rosenberg, Klein & Lee
Application Number: 29/265,981
Classifications
Current U.S. Class:
D8/87;
D8/83