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Patent
D881957
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Priority
Jun 27 2019
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Filed
Jun 27 2019
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Issued
Apr 21 2020
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Expiry
Apr 21 2035
TERM.DISCL.
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Assg.orig
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Entity
unknown
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2
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27
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n/a
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The ornamental design for a twist drill, as shown and described.
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FIG. 1 is a front elevation view of a twist drill showing my new design;
FIG. 2 is a back elevation view thereof;
FIG. 3 is a left side view thereof;
FIG. 4 is a right side view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is an enlarged bottom plan view thereof; and,
FIG. 7 is a perspective view thereof.
The broken lines in the drawings depict portions of the twist drill which form no part of the claimed design.
Wang, Hongjia
| Patent |
Priority |
Assignee |
Title |
| 11554424, |
Feb 14 2016 |
|
Twist drill |
| 11865627, |
Feb 14 2016 |
|
Twist drill |
| Patent |
Priority |
Assignee |
Title |
| 3341981, |
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|
| 4400119, |
Aug 10 1981 |
GRAY-CLEMENT ORTHOPAEDIC RESEARCH AND DEVELOPMENT CORPORATION, A TENNESSEE CORP |
Twist drill |
| 465392, |
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Mar 14 1988 |
501 Greenfield Industries, Inc.; GREENFIELD INDUSTRIES, INC , A CORP OF DE |
Twist drill |
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Mar 08 1994 |
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Rotary end cutting tool |
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Dec 09 1992 |
Etablissements Recoules et Fils (S.A.) |
Precision twist drill bit |
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Apr 11 1995 |
Credo Technology Corporation |
Twist drill bit |
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Apr 03 1997 |
Credo Technology Corporation |
Twist drill bit |
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Mar 30 1995 |
DR JOERG GUEHRING |
Cutting tool |
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Sep 06 2007 |
Komet Group GmbH |
Drilling tool for machine tools and method for the production thereof |
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May 11 2011 |
Kennametal Inc. |
Rotary cutting tool having PCD cutting tip |
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| 20160151841, |
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Jun 12 2013 |
Element Six Limited; ELEMENT SIX PRODUCTION PTY LTD |
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Jul 17 2015 |
THE STATE OF QUEENSLAND THROUGH ITS DEPARTMENT OF AGRICULTURE AND FISHERIES |
Drill corer |
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Jun 28 2017 |
GINO DEVELOPMENT, INC |
Twisted drill bit tip |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Date |
Maintenance Fee Events |
n/a
| Date |
Maintenance Schedule |
n/a