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Patent
   D911399
Priority
Dec 06 2018
Filed
Dec 06 2018
Issued
Feb 23 2021
Expiry
Feb 23 2036
Inventors
Atkins, Wi…
Assg.orig
Halliburto…
Halliburto…
Assg.curr
Halliburto…
Halliburto…
Entity
unknown
Referenced by
31
References
57
Maint.:
n/a
I claim the ornamental design for an innermost cutter for a fixed-cutter drill bit, as shown and described.

FIG. 1 is a perspective view of an innermost cutter for a fixed-cutter drill bit; and,

FIG. 2 is a top plan view thereof.

INVENTORS:

Atkins, William Brian

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
11268249, Nov 27 2017 DYNATECH SYSTEMS, INC. Material removal manufacture, assembly, and method of assembly
11649681, Nov 07 2018 Halliburton Energy Services, Inc. Fixed-cutter drill bits with reduced cutting arc length on innermost cutter
11655681, Dec 06 2018 Halliburton Energy Services, Inc.; Halliburton Energy Services, Inc Inner cutter for drilling
D936713, May 13 2019 OSG CORPORATION Cutting insert
D940767, Jan 24 2020 DYNATECH SYSTEMS, INC Cutter head for grinding machines and the like
D951313, Jul 12 2018 Halliburton Energy Services, Inc.; Halliburton Energy Services, Inc PDC cutter
D960946, Jan 24 2020 DYNATECH SYSTEMS, INC. Cutter head for grinding machines and the like
D961643, Jan 24 2020 DYNATECH SYSTEMS, INC. Cutter head for grinding machines and the like
D962314, Jan 24 2020 DYNATECH SYSTEMS, INC. Cutter head for grinding machines and the like
D967880, Apr 29 2020 China Pacificarbide, Inc. Milling bit
D969183, Sep 09 2019 Halliburton Energy Services, Inc.; Halliburton Energy Services, Inc Boss on nozzle bores of a drill bit
D969184, Apr 29 2020 China Pacificarbide, Inc. Milling bit
D982046, Oct 16 2020 SF DIAMOND CO., LTD. Drill bit
D982631, Oct 16 2020 SF DIAMOND CO., LTD. Drill bit
D982632, Oct 16 2020 SF DIAMOND CO., LTD. Drill bit
D984500, Jun 21 2019 US Synthetic Corporation Substrate
D989826, Oct 16 2020 SF DIAMOND CO., LTD. Drill bit
D989827, Oct 16 2020 SF DIAMOND CO., LTD. Drill bit
ER1148,
ER1683,
ER2576,
ER3469,
ER4577,
ER4883,
ER4954,
ER5141,
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THIS PATENT REFERENCES THESE PATENTS:
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ASSIGNMENT RECORDS    Assignment records on the USPTO
//
Executed onAssignorAssigneeConveyanceFrameReelDoc
Dec 06 2018Halliburton Energy Services, Inc.(assignment on the face of the patent)
Dec 06 2018ATKINS, WILLIAM BRIANHalliburton Energy Services, IncASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0476910024 pdf
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