Screwdriver head
Description
The broken line portion shown in the figures is for illustrative purposes only and forms no part of the claimed design.
Claims
The ornamental design for a screwdriver head, as shown and described.
Referenced Cited
U.S. Patent Documents
4285255 | August 25, 1981 | Winfrey |
4708542 | November 24, 1987 | Emanuelli |
5037251 | August 6, 1991 | Roth |
5528966 | June 25, 1996 | Coppejans |
D371947 | July 23, 1996 | Mellinger |
D412653 | August 10, 1999 | Dorer |
D415016 | October 12, 1999 | Murguia |
D417827 | December 21, 1999 | Gillman |
D423901 | May 2, 2000 | De Prisco |
D436513 | January 23, 2001 | Yamakawa |
D438774 | March 13, 2001 | Huang et al. |
D453289 | February 5, 2002 | Campbell |
D474388 | May 13, 2003 | Wu et al. |
Patent History
Patent number: D624382
Type: Grant
Filed: Dec 29, 2008
Date of Patent: Sep 28, 2010
Inventors: Grzegorz Loniewski (Mount Prospect, IL), Scott Anthony Nightlinger (Mount Prospect, IL), Agnieszka Monika Loniewska (Mount Prospect, IL), Piotr Loniewski (04-163 Warsaw)
Primary Examiner: Philip S Hyder
Assistant Examiner: Roselynne Cody
Application Number: 29/313,341
Type: Grant
Filed: Dec 29, 2008
Date of Patent: Sep 28, 2010
Inventors: Grzegorz Loniewski (Mount Prospect, IL), Scott Anthony Nightlinger (Mount Prospect, IL), Agnieszka Monika Loniewska (Mount Prospect, IL), Piotr Loniewski (04-163 Warsaw)
Primary Examiner: Philip S Hyder
Assistant Examiner: Roselynne Cody
Application Number: 29/313,341
Classifications
Current U.S. Class:
D8/86