Screwdriver bit

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Description

FIG. 1 is a perspective view of the screwdriver bit.

FIG. 2 is an end elevational view of the screwdriver bit.

FIG. 3 is a side elevational view of the screwdriver bit along the line 33 of FIG. 2; and,

FIG. 4 is a side elevational view of the screwdriver bit along the line 44 of FIG. 2.

Claims

The ornamental design for a screwdriver bit, as shown and described.

Referenced Cited
U.S. Patent Documents
2182568 December 1939 Olson
2389129 November 1945 Bishop
2859782 November 1958 Cummaro
3913647 October 1975 Arnn
D311483 October 23, 1990 Espin
4998454 March 12, 1991 Chaconas et al.
D410372 June 1, 1999 Strauch
6164171 December 26, 2000 Kaneko et al.
6253403 July 3, 2001 Veschi
6289775 September 18, 2001 Wei
D455627 April 16, 2002 Song
D455943 April 23, 2002 Lin
D474388 May 13, 2003 Wu et al.
Patent History
Patent number: D576009
Type: Grant
Filed: Dec 29, 2006
Date of Patent: Sep 2, 2008
Inventor: Bernard Tanner (Calgary, AB)
Primary Examiner: Philip S Hyder
Attorney: Ryan W. Dupuis
Application Number: 29/275,570
Classifications
Current U.S. Class: D8/86