Drill bit

- Disston Company
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Description

FIG. 1 is a top, front, left side perspective view of one embodiment of a drill bit showing our new design;

FIG. 2 is a left side view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a front view thereof;

FIG. 7 is a rear view thereof;

FIG. 8 is an enlarged, sectioned portion highlighted in FIG. 1;

FIG. 9 is an enlarged, sectioned portion highlighted in FIG. 2;

FIG. 10 is a top view of the enlarged, sectioned portions of FIGS. 8 and 9;

FIG. 11 is a right side view of the enlarged, sectioned portions of FIGS. 8 and 9;

FIG. 12 is a bottom view of the enlarged, sectioned portions of FIGS. 8 and 9;

FIG. 13 is a front view of the enlarged, sectioned portions of FIGS. 8 and 9; and,

FIG. 14 is a rear view of the enlarged, sectioned portions of FIGS. 8 and 9.

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.

Referenced Cited
U.S. Patent Documents
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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
Patent History
Patent number: D872144
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
Classifications