Patent
   D454143
Priority
Mar 29 2000
Filed
Sep 29 2000
Issued
Mar 05 2002
Expiry
Mar 05 2016
Assg.orig
Entity
unknown
25
4
n/a
The ornamental design for a drill bit, as shown and described.

FIG. 1 is a rear, side perspective view of a drill bit showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a side elevational view thereof;

FIG. 5 is a further side elevational view thereof; and,

FIG. 6 is still a further side elevational view thereof.

Åsberg, Bengt

Patent Priority Assignee Title
8302707, Jan 28 2009 Center Rock Inc. Down-the-hole drill reverse exhaust system
8622152, Jan 28 2009 Center Rock Inc. Down-the-hole drill hammer having a sliding exhaust check valve
8800690, Mar 31 2008 Center Rock Inc.; CENTER ROCK INC Down-the-hole drill hammer having a reverse exhaust system and segmented chuck assembly
8915314, Mar 31 2008 CENTER ROCK, INC Down-the-hole drill drive coupling
D525995, Mar 09 2004 Sandvik Intellectual Property Aktiebolag Portion of a drill bit
D547778, May 08 2006 Drilling tool
D560698, Oct 31 2006 OMI KOGYO CO , LTC ; OMI KOGYO CO , LTD Hole cutter
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D611512, Feb 26 2008 Sandvik Intellectual Property AB Drill bit
D611970, Feb 26 2008 Sandvik Intellectual Property AB Rock drill bit
D656167, Aug 08 2011 Mill
D656974, Jan 28 2009 Center Rock Inc. Drill bit
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D725164, Jul 25 2013 Padley & Venables Limited Percussive drill bit
D771898, Sep 01 2015 Societe des Produits Nestle S A Pet treat
D816280, Sep 13 2016 Adam, Baker Rocket dog toy
D823908, May 29 2015 EPIROC DRILLING TOOLS AKTIEBOLAG Rock drill bit
D825116, Aug 02 2016 PLUTO OPCO CAYMAN , LLC Pet toy
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
D882084, Jan 31 2018 Beijing SMTP Technology Co., Ltd. Ultrasonic cutter head
D882788, Jan 31 2018 Beijing SMTP Technology Co., Ltd. Ultrasonic cutter head
Patent Priority Assignee Title
5366032, Jun 09 1993 Rock bit
6105693, Feb 18 1999 Sandvik Intellectual Property Aktiebolag Partially enhanced percussive drill bit
6276467, Oct 25 1999 Driltech Mission LLC Percussive rock drill bit with asymmetric wing
D382887, May 31 1996 Ingersoll-Rand Company Back drilling threaded bit
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Sep 29 2000Sandvik AB(assignment on the face of the patent)
Nov 03 2000ASBERG, BENGTSandvik ABASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0113000308 pdf
May 16 2005Sandvik ABSANDVIK INTELLECTUAL PROPERTY HBASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0162900628 pdf
Jun 30 2005SANDVIK INTELLECTUAL PROPERTY HBSandvik Intellectual Property AktiebolagASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0166210366 pdf
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