Spade drill bit

- Disston Company
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Description

FIG. 1 is a top, front, right side perspective view of a spade drill bit showing our new design;

FIG. 2 is a top view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a right side 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 left side view of the enlarged section portion as seen in FIG. 3;

FIG. 11 is a bottom view of the enlarged section portion as seen in FIG. 4;

FIG. 12 is a right side view of the enlarged section portion as seen in FIG. 5;

FIG. 13 is a front view of the enlarged section portion as seen in FIG. 6; and,

FIG. 14 is a rear view of the enlarged section portion as seen in FIG. 7.

The broken lines in the drawings depict portions of the spade drill bit that form no part of the claimed design.

The “dash-dot” broken lines represent the boundaries of the enlarged sectioned portions of the claimed design, and form no part thereof.

Claims

We claim the ornamental design for the spade drill bit, as illustrated and described.

Referenced Cited
U.S. Patent Documents
D372485 August 6, 1996 Stone
D376809 December 24, 1996 Stone
D394663 May 26, 1998 Stone
D455446 April 9, 2002 Collins
D507585 July 19, 2005 Held
D580462 November 11, 2008 Liao
D585920 February 3, 2009 Liao
D604751 November 24, 2009 Dost
D608801 January 26, 2010 Evatt
D627805 November 23, 2010 Dost
D872782 January 14, 2020 Howell
D890826 July 21, 2020 Howell
D892183 August 4, 2020 Parendo
Patent History
Patent number: D928855
Type: Grant
Filed: Sep 13, 2019
Date of Patent: Aug 24, 2021
Assignee: Disston Company (Chicopee, MA)
Inventors: Jeffrey Tuttle Weber (Chicopee, MA), Xuan Li (Guangzhou)
Primary Examiner: Michael C Stout
Assistant Examiner: Fritzgerald L Butac
Application Number: 29/705,634
Classifications