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Patent
D989827
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Priority
Oct 16 2020
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Filed
Jun 16 2021
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Issued
Jun 20 2023
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Expiry
Jun 20 2038
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Assg.orig
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Entity
unknown
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0
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11
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n/a
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The ornamental design for a drill bit, as shown and described.
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FIG. 1 is a perspective view of a drill bit showing our new design;
FIG. 2 is a front view of FIG. 1, the rear view being a mirror image thereof;
FIG. 3 is a left side view of FIG. 1, the right view being a mirror image thereof;
FIG. 4 is a top view of FIG. 1; and,
FIG. 5 is a bottom view of FIG. 1.
Wang, Yongfeng, Fang, Haijiang, Du, Weifeng
Patent |
Priority |
Assignee |
Title |
Patent |
Priority |
Assignee |
Title |
20200087758, |
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20220017798, |
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|
D264217, |
Jul 17 1979 |
|
Drill bit protector |
D353392, |
Sep 29 1992 |
CLEARSNAP HOLDING, INC |
Combined stamp pad and container therefor |
D474213, |
May 29 2002 |
Valenite, LLC |
Indexable cutting insert |
D502952, |
Nov 07 2003 |
|
Substrate for manufacturing cutting elements |
D587732, |
Dec 07 2004 |
|
Substrate for manufacturing cutting elements |
D857067, |
Sep 21 2017 |
OSG CORPORATION |
Cutting insert |
D908753, |
Nov 16 2017 |
US Synthetic Corporation |
Cutting tool |
D911399, |
Dec 06 2018 |
Halliburton Energy Services, Inc.; Halliburton Energy Services, Inc |
Innermost cutter for a fixed-cutter drill bit |
D924949, |
Jan 11 2019 |
US Synthetic Corporation |
Cutting tool |
Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
n/a