Patent
   D894981
Priority
Mar 01 2019
Filed
Mar 01 2019
Issued
Sep 01 2020
Expiry
Sep 01 2035
Assg.orig
Entity
unknown
4
13
n/a
The ornamental design for a drill bit, as shown and described.

FIG. 1 is a front perspective view of a drill bit showing my new design;

FIG. 2 is a front elevational view of the drill bit of FIG. 1;

FIG. 3 is a rear elevational view of the drill bit of FIG. 1;

FIG. 4 is a left side plan view of the drill bit of FIG. 1;

FIG. 5 is a right side plan view of the drill bit of FIG. 1;

FIG. 6 is a top plan view of the drill bit of FIG. 1; and

FIG. 7 is a cross-sectional view of the drill bit of FIG. 1, taken along section line 7-7 as shown in FIG. 6;

FIG. 8 is a cross-sectional view of the drill bit of FIG. 1, taken along section line 8-8 as shown in FIG. 6; and,

FIG. 9 is a bottom plan view of the drill bit of FIG. 1.

The broken lines having consistent dash lengths (dash-dash-dash) are shown on the drill bit in FIGS. 1-9 for illustrative purposes only and form no part of the claimed design.

The broken lines having variable dash lengths (long dash-short dash-long dash) shown on the drill bit in FIGS. 7-8 are boundary lines representing a boundary of the claimed design.

Corona, Robert

Patent Priority Assignee Title
D959522, Mar 26 2020 Accessory for drilling tools
ER5833,
ER6308,
ER8854,
Patent Priority Assignee Title
10077609, Mar 05 2015 Boart Longyear Company Drill bits having flushing
20170362900,
D797170, Apr 10 2014 Kennametal Inc. Cutting tool with W-shaped flute gully
D814536, Sep 09 2016 SUMITOMO ELECTRIC HARDMETAL CORP. Drill
D815672, Jan 26 2017 TUNGALOY CORPORATION Cutting tool
D823908, May 29 2015 EPIROC DRILLING TOOLS AKTIEBOLAG Rock drill bit
D828415, Jul 14 2016 MMC RYOTEC CORPORATION Drill bit tip
D828416, Jul 14 2016 MMC RYOTEC CORPORATION Drill bit tip
D831714, May 29 2015 EPIROC DRILLING TOOLS AKTIEBOLAG Rock drill bit
D857772, Oct 26 2017 B+BTEC INTERNATIONAL BV Drilling tool
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D872142, May 21 2015 Center Rock Inc. Drill bit for a down-the-hole drill hammer
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Mar 01 2019BLY IP INC.(assignment on the face of the patent)
Mar 21 2019CORONA, ROBERTBLY IP INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0493820124 pdf
Sep 08 2021BLY IP INC HPS INVESTMENT PARTNERS, LLCSECURITY INTEREST SEE DOCUMENT FOR DETAILS 0574380059 pdf
Mar 24 2022BLY IP INC Longyear TM, IncASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0615210337 pdf
Sep 01 2023Longyear TM, IncBoart Longyear CompanyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0657080633 pdf
Apr 10 2024HPS INVESTMENT PARTNERS, LLCBLY IP INC RELEASE OF SECURITY INTEREST IN PATENTS RECORDED AT R F 057438 00590670970302 pdf
Apr 10 2024Boart Longyear CompanyALLY BANK, AS COLLATERAL AGENTSECURITY AGREEMENT0673420954 pdf
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