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Patent
   D554162
Priority
Mar 27 2007
Filed
Mar 29 2007
Issued
Oct 30 2007
Expiry
Oct 30 2021
Inventors
Hall, Davi…
Assg.orig
HALL, DAVI…
Assg.curr
Schlumberg…
Entity
unknown
Referenced by
56
References
67
Maint.:
n/a
The ornamental design for a diamond enhanced cutting element, as shown and described.

FIG. 1 is a top perspective view of the element.

FIG. 2 is bottom perspective view of the element.

FIG. 3 is a side view of the element; and,

FIG. 4 is an opposing side view of the element.
INVENTORS:

Hall, David R., Crockett, Ronald, Bailey, John, Kudla, Matt

THIS PATENT IS REFERENCED BY THESE PATENTS:
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10968738, Mar 24 2017 The Sollami Company Remanufactured conical bit
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11268249, Nov 27 2017 DYNATECH SYSTEMS, INC. Material removal manufacture, assembly, and method of assembly
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11655681, Dec 06 2018 Halliburton Energy Services, Inc.; Halliburton Energy Services, Inc Inner cutter for drilling
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ASSIGNMENT RECORDS    Assignment records on the USPTO
////
Executed onAssignorAssigneeConveyanceFrameReelDoc
Mar 23 2007KUDLA, MATT, MR HALL, DAVID R , MR ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0190930236 pdf
Mar 26 2007BAILEY, JOHN, MR HALL, DAVID R , MR ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0190930236 pdf
Mar 27 2007CROCKETT, RONALD B , MR HALL, DAVID R , MR ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0190930236 pdf
Jan 22 2010HALL, DAVID R , MR Schlumberger Technology CorporationASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0239730810 pdf
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