Patent
   D870168
Priority
Mar 13 2018
Filed
Apr 03 2018
Issued
Dec 17 2019
Expiry
Dec 17 2034
Assg.orig
Entity
unknown
5
52
n/a
The ornamental design for a drill bit, as shown.

FIG. 1 is an end view of the design;

FIG. 2 is a side view of the design of FIG. 1;

FIG. 3 is a first perspective view of the design of FIG. 1; and,

FIG. 4 is a second perspective view of the design of FIG. 1.

The broken lines show portions of a drill bit that form no part of the claimed design.

Koskinen, Mika

Patent Priority Assignee Title
D894979, Mar 01 2019 Boart Longyear Company Drill bit
D894980, Mar 01 2019 Boart Longyear Company Drill bit
D894981, Mar 01 2019 Boart Longyear Company Drill bit
ER2870,
ER8384,
Patent Priority Assignee Title
10207342, Sep 11 2013 Mitsubishi Hitachi Tool Engineering, ltd Indexable rotary cutting tool and insert used therein
3918538,
4716976, Oct 28 1986 KENNAMETAL PC INC Rotary percussion drill bit
4919221, Apr 06 1989 Numa Tool Company Impact drill bit assembly and replaceable parts thereof
5839519, Nov 08 1996 Sandvik Intellectual Property Aktiebolag Methods and apparatus for attaching a casing to a drill bit in overburden drilling equipment
5890551, Mar 14 1996 Sandvik Intellectual Property Aktiebolag Rock drilling tool including a drill bit having a recess in a front surface thereof
6035953, Jun 15 1995 SANDVIK RC TOOLS AUSTRALIA PTY LTD Down hole hammer assembly
6039127, Mar 13 1998 LOUDON ENTERPRISES, INC Rock drill
6435288, Sep 18 2000 Cubex Limited Rock drill bit
6883624, Jan 31 2003 Smith International, Inc. Multi-lobed cutter element for drill bit
6929079, Feb 21 2003 Smith International, Inc. Drill bit cutter element having multiple cusps
7117939, Nov 20 2002 TerraRoc Finland Oy Percussion hammer bit retainer apparatus
7237628, Oct 21 2005 GP USA HOLDING, LLC Fixed cutter drill bit with non-cutting erosion resistant inserts
7290626, Nov 13 2001 SANDVIK RC TOOLS AUSTRALIA PTY LIMITED Transmission sleeve
8936109, Jun 24 2010 Baker Hughes Incorporated Cutting elements for cutting tools
20020153174,
20040040752,
20060060389,
20060162965,
20070137900,
D496948, Jun 12 2003 Square drill bit
D504141, Jun 12 2003 Driver drill bit
D514416, Mar 23 2004 Black & Decker Inc.; Black & Decker, Inc Drill chuck
D574403, Mar 09 2007 The William J. Brady Loving Trust Hard rock percussion drill bit with paraboloid PCD inserts
D611512, Feb 26 2008 Sandvik Intellectual Property AB Drill bit
D611970, Feb 26 2008 Sandvik Intellectual Property AB Rock drill bit
D674422, Feb 12 2007 NOVATEK IP, LLC Drill bit with a pointed cutting element and a shearing cutting element
D678368, Feb 12 2007 NOVATEK IP, LLC Drill bit with a pointed cutting element
D682325, Jan 30 2012 DIAMOND INNOVATIONS INC Drill bit
D682326, Jan 30 2012 Sandvik Intellectual Property AB; Diamond Innovations Inc. Drill bit
D705827, Sep 07 2012 Sandvik Intellectual Property AB Drill bit for percussive drilling
D725164, Jul 25 2013 Padley & Venables Limited Percussive drill bit
D750674, Aug 01 2014 Milling tool
D818152, Oct 15 2007 Studco Building Systems US, LLC Vibration dampening member for an acoustic mount
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
D832318, Jul 14 2016 MMC RYOTEC CORPORATION Drill bit tip
D833490, May 13 2015 Diager Drill bit
D834074, Jun 23 2016 Diamabrush LLC Sanding tool
D835167, Oct 26 2016 Kyocera Corporation Cutting insert
D837845, Jun 06 2014 Hybrid Manufacturing Technologies LLC Replaceable processing head for computer numerical control (CNC) machines
D837846, Oct 04 2016 DAISHOWA SEIKI KABUSHIKI KAISHA D B A BIG DAISHOWA SEIKI CO LTD Throw away tip for cutting tool
D837847, Jun 13 2017 Groove cutting tool
D838566, Jun 30 2017 Black & Decker Inc Tool bit for driving threaded fasteners
D838754, May 04 2017 COMPASS CORPORATION Hole-drilling tool
D840449, Jun 28 2017 GINO DEVELOPMENT, INC Twisted drill bit tip
D841425, Nov 02 2015 Black & Decker Inc. Torsion bit
JP2003166390,
KR20150014276,
WO9813575,
//
Executed onAssignorAssigneeConveyanceFrameReelDoc
Mar 26 2018KOSKINEN, MIKAROBIT OYJASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0454240485 pdf
Apr 03 2018ROBIT OYJ(assignment on the face of the patent)
n/a
Date Maintenance Fee Events


n/a
Date Maintenance Schedule