Drill bit
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The broken lines in the drawings depict portions of the drill bit that form no part of the claimed design.
Claims
The ornamental design for a drill bit, as shown and described.
20192 | May 1858 | Claark |
124089 | February 1872 | Shepardson |
2627292 | February 1953 | Konstantin |
2782824 | February 1957 | Robinson |
3997279 | December 14, 1976 | Porter |
D372485 | August 6, 1996 | Stone |
5697738 | December 16, 1997 | Stone |
D394663 | May 26, 1998 | Stone |
D408424 | April 20, 1999 | Schmotzer |
D504446 | April 26, 2005 | Kobayashi |
D507585 | July 19, 2005 | Held |
D544892 | June 19, 2007 | Watson |
D580462 | November 11, 2008 | Liao |
7473056 | January 6, 2009 | Durfee |
D585920 | February 3, 2009 | Liao |
D608801 | January 26, 2010 | Evatt |
D608802 | January 26, 2010 | Ibarra |
D627805 | November 23, 2010 | Dost |
20030035694 | February 20, 2003 | Liao |
20070172325 | July 26, 2007 | Ebert |
Type: Grant
Filed: Jun 12, 2018
Date of Patent: Jan 7, 2020
Assignee: Disston Company (Chicopee, MA)
Inventors: Eugene A. Kulig (Chicopee, MA), Jacky Zhang (Guangzhou)
Primary Examiner: Patricia A Palasik
Application Number: 29/653,029