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Patent
   D674422
Priority
Feb 12 2007
Filed
Oct 15 2010
Issued
Jan 15 2013
Expiry
Jan 15 2027
Inventors
Hall, Davi…
Assg.orig
HALL, DAVI…
Assg.curr
NOVATEK IP…
Entity
unknown
Referenced by
17
References
154
Maint.:
n/a
The ornamental design for a drill bit with a pointed cutting element and a shearing cutting element, as shown and described.

FIG. 1 is a bottom perspective view of a drill bit with a pointed cutting element and a shearing cutting element.

FIG. 2 is a side view of a drill bit with a pointed cutting element and a shearing cutting element; and,

FIG. 3 is a perspective view of a drill bit with a pointed cutting element and a shearing cutting element.

The broken lines in the drawings depict unclaimed environmental subject matter.
INVENTORS:

Hall, David R., Crockett, Ronald B., Skeem, Marcus, Leany, Francis, Webb, Casey

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
D745585, May 08 2014 Sandvik Intellectual Property AB Cutting tool
D746884, May 08 2014 Sandvik Intellectual Property AB Cutting tool
D755265, Aug 20 2013 HUNTING ENERGY SERVICES INTERNATIONAL LIMITED Drilling tool
D759135, Aug 20 2013 HUNTING ENERGY SERVICES INTERNATIONAL LIMITED Drilling tool
D861051, Mar 13 2018 ROBIT OYJ Drill bit
D870168, Mar 13 2018 ROBIT OYJ Drill bit
D875147, May 10 2018 SEED TECHNOLOGIES CORP., LTD. Drill bit
D892868, Aug 17 2017 Downhole Products Limited Tubing shoe
D934318, Apr 29 2020 CHINA PACIFICARBIDE, INC Milling bit
D940768, Apr 29 2020 CHINA PACIFICARBIDE, INC Milling bit
D941375, Apr 29 2020 CHINA PACIFICARBIDE, INC Milling bit
D959519, Apr 29 2020 CHINA PACIFICARBIDE, INC Milling bit
D959522, Mar 26 2020 Accessory for drilling tools
D967880, Apr 29 2020 China Pacificarbide, Inc. Milling bit
D969184, Apr 29 2020 China Pacificarbide, Inc. Milling bit
D969890, Apr 29 2020 China Pacificarbide, Inc. Milling bit
ER9641,
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ASSIGNMENT RECORDS    Assignment records on the USPTO
/////
Executed onAssignorAssigneeConveyanceFrameReelDoc
Oct 14 2010LEANY, FRANCIS, MR HALL, DAVID R , MR ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0251440833 pdf
Oct 14 2010CROCKETT, RONALD B , MR HALL, DAVID R , MR ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0251440833 pdf
Oct 14 2010WEBB, CASEY, MR HALL, DAVID R , MR ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0251440833 pdf
Oct 14 2010SKEEM, MARCUS, MR HALL, DAVID R , MR ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0251440833 pdf
Jul 15 2015HALL, DAVID R NOVATEK IP, LLCASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0361090109 pdf
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