Patent
   D438774
Priority
Jun 01 2000
Filed
Jun 01 2000
Issued
Mar 13 2001
Expiry
Mar 13 2015
Assg.orig
Entity
unknown
7
8
n/a
The ornamental design for a screwdriver bit, as shown and described.

FIG. 1 is a front-right-top perspective view of a screwdriver bit, showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof, the right side view being a mirror image thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a perspective view of the screwdriver bit, wherein the broken line showing of the screwdriver is for illustrative purposes only and forms no part of the claimed design.

Huang, Jung-Sheng, Tung, Yi-Ming

Patent Priority Assignee Title
6886431, Sep 16 2002 Combination screw driver blade tip and cooperating interlocking screw slot
D624382, Dec 29 2008 Screwdriver head
D659501, Dec 24 2011 Screwdriver bit
D659502, Dec 24 2011 Screwdriver bit
D754513, Feb 05 2010 Milwaukee Electric Tool Corporation Screwdriver head
D793828, Apr 15 2016 The United States of America as represented by the Secretary of the Navy Flat sided chisel slug
D812443, Sep 06 2016 Deere & Company Cutting element
Patent Priority Assignee Title
2833548,
3753454,
3985170, Aug 17 1974 Screwdriver
4026338, Apr 26 1976 Retractor for one-way screw
4314489, Nov 15 1979 Screwdrivers
4434687, Nov 01 1982 Vi-Tek Designs, Inc. Damaged screw remover
4590825, May 06 1983 High torque fastener and driving tool
D405672, Mar 21 1997 Screwdriver bit with combination Phillips and blade tip
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