Spade drill bit
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The evenly-spaced 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 seen in
Claims
We claim the ornamental design for the spade drill bit, as illustrated and described.
3748052 | July 1973 | Jensen |
3997279 | December 14, 1976 | Porter |
D442192 | May 15, 2001 | Strong |
D507585 | July 19, 2005 | Held |
7473056 | January 6, 2009 | Durfee |
D604751 | November 24, 2009 | Dost |
D607024 | December 29, 2009 | Dost |
D608801 | January 26, 2010 | Evatt |
D624097 | September 21, 2010 | Kenny |
D627805 | November 23, 2010 | Dost |
7887269 | February 15, 2011 | Dost |
D688715 | August 27, 2013 | Lampe |
D688716 | August 27, 2013 | Lampe |
D690335 | September 24, 2013 | Li |
9381582 | July 5, 2016 | van den Boogaard |
20010031178 | October 18, 2001 | Remke |
20030133765 | July 17, 2003 | Capriotti |
20060083595 | April 20, 2006 | Wiker |
20090097931 | April 16, 2009 | Dost |
20150202792 | July 23, 2015 | Li |
2370483 | January 2001 | CA |
2431368 | April 2007 | GB |
WO-2004080632 | September 2004 | WO |
WO-2009049069 | April 2009 | WO |
Type: Grant
Filed: Apr 30, 2018
Date of Patent: Oct 15, 2019
Assignee: Disston Company (Chicopee, MA)
Inventors: Jeffrey Tuttle Weber (Chicopee, MA), Xuan Li (Guangzhou)
Primary Examiner: Garth Rademaker
Assistant Examiner: Fritzgerald L Butac
Application Number: 29/645,929