Patent
   D856387
Priority
Jul 06 2015
Filed
Jun 28 2018
Issued
Aug 13 2019
Expiry
Aug 13 2034
Assg.orig
Entity
unknown
3
25
n/a
The ornamental design for a drilling tool, as shown and described.

FIG. 1 is a front view of a drilling tool,

FIG. 2 is a rear view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a left side view thereof;

FIG. 7 is a perspective view thereof;

FIG. 8 is an enlarged front view of XLVI-XLVI portion of FIG. 1,

FIG. 9 is an enlarged top view of XLVI-XLVI portion of FIG. 1,

FIG. 10 is an enlarged right side view of XLVI-XLVI portion of FIG. 1,

FIG. 11 is an enlarged first perspective view of XLVI-XLVI portion of FIG. 1; and,

FIG. 12 is an enlarged second perspective view of XLVI-XLVI portion of FIG. 1.

The broken lines shown in the drawings represent portions of the drilling tool that form no part of the claimed design.

Shimada, Hiroyuki, Abe, Machiko, Yano, Kazuya

Patent Priority Assignee Title
D878439, Nov 14 2018 Champ-Air Refrigeration Hardware Co., Ltd. Cutter head
D910093, Jul 06 2015 SUMITOMO ELECTRIC HARDMETAL CORP. Drilling tool
D966359, Mar 27 2019 SUMITOMO ELECTRIC HARDMETAL CORP. Cutting edge for drilling tool
Patent Priority Assignee Title
4821819, Aug 11 1987 KENNAMETAL PC INC Annular shim for construction bit having multiple perforations for stress relief
5161859, Mar 23 1983 Santrade Limited Excavating tool cutting insert
5172779, Nov 26 1991 Smith International, Inc.; SMITH INTERNATIONAL, INC A CORP OF DELAWARE Radial crest insert
5417475, Aug 19 1992 Sandvik Intellectual Property Aktiebolag Tool comprised of a holder body and a hard insert and method of using same
5837071, Nov 03 1993 Sandvik Intellectual Property AB Diamond coated cutting tool insert and method of making same
6196636, Mar 22 1999 MCSWEENEY, LARRY J ; MCSWEENEY, LAWRENCE H Cutting bit insert configured in a polygonal pyramid shape and having a ring mounted in surrounding relationship with the insert
6758530, Sep 18 2001 The Sollami Company Hardened tip for cutting tools
8007049, Dec 05 2007 Sandvik Intellectual Property AB Breaking or excavating tool with cemented tungsten carbide insert and ring
8701799, Apr 29 2009 Schlumberger Technology Corporation Drill bit cutter pocket restitution
8950517, Nov 21 2005 Schlumberger Technology Corporation Drill bit with a retained jack element
9200483, May 05 2011 BAKER HUGHES HOLDINGS LLC Earth-boring tools and methods of forming such earth-boring tools
9316058, Feb 08 2012 BAKER HUGHES HOLDINGS LLC Drill bits and earth-boring tools including shaped cutting elements
9610555, Nov 21 2013 US Synthetic Corporation Methods of fabricating polycrystalline diamond and polycrystalline diamond compacts
9683410, Jun 12 2009 Smith International, Inc. Cutter assemblies, downhole tools incorporating such cutter assemblies and methods of making such downhole tools
9739097, Apr 26 2011 Smith International, Inc Polycrystalline diamond compact cutters with conic shaped end
D371374, Apr 12 1995 Sandvik Intellectual Property Aktiebolag Asymmetrical button insert for rock drilling
D627804, Dec 05 2007 Sandvik Intellectual Property AB Cutting tool with a cemented tungsten carbide insert and ring
D818507, Feb 28 2017 KENNAMETAL INC Replaceable tip for a rotatable cutting tool
D826299, Jul 17 2015 THE STATE OF QUEENSLAND THROUGH ITS DEPARTMENT OF AGRICULTURE AND FISHERIES Drill corer
JP1175116,
JP1522840,
JP2002036017,
JP2005022102,
JP2012011475,
TW156297,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Dec 10 2015ABE, MACHIKOSUMITOMO ELECTRIC HARDMETAL CORP ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0462300124 pdf
Dec 10 2015SHIMADA, HIROYUKISUMITOMO ELECTRIC HARDMETAL CORP ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0462300124 pdf
Dec 10 2015YANO, KAZUYASUMITOMO ELECTRIC HARDMETAL CORP ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0462300124 pdf
Jun 28 2018SUMITOMO ELECTRIC HARDMETAL CORP.(assignment on the face of the patent)
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