Patent
   D611512
Priority
Feb 26 2008
Filed
Jul 23 2008
Issued
Mar 09 2010
Expiry
Mar 09 2024
Assg.orig
Entity
unknown
13
13
n/a
The ornamental design for a drill bit, as shown and described.

FIG. 1 shows the rock drill bit in a front view for percussive drilling.

FIG. 2 shows a side view from the left side of the rock drill bit in FIG. 1.

FIG. 3 shows a side view from the lower side of the rock drill bit in FIG. 1.

FIG. 4 shows a side view from the right side of the rock drill bit in FIG. 1.

FIG. 5 shows a side view from the upper side of the rock drill bit in FIG. 1.

FIG. 6 shows a perspective front view of the rock drill bit for percussive drilling; and,

FIG. 7 shows a bottom view of the rock drill bit for percussive drilling.

The broken lines in the drawings depict unclaimed environmental subject matter.

Sundin, Jens

Patent Priority Assignee Title
D705827, Sep 07 2012 Sandvik Intellectual Property AB Drill bit for percussive drilling
D724636, Jun 15 2012 Belltec Industries, Inc.; BELLTEC INDUSTRIES, INC Pilot
D725164, Jul 25 2013 Padley & Venables Limited Percussive drill bit
D818507, Feb 28 2017 KENNAMETAL INC Replaceable tip for a rotatable 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
D832318, Jul 14 2016 MMC RYOTEC CORPORATION Drill bit tip
D861051, Mar 13 2018 ROBIT OYJ Drill bit
D870168, Mar 13 2018 ROBIT OYJ Drill bit
D872142, May 21 2015 Center Rock Inc. Drill bit for a down-the-hole drill hammer
D875147, May 10 2018 SEED TECHNOLOGIES CORP., LTD. Drill bit
Patent Priority Assignee Title
4440244, Mar 26 1980 SANTRADE LTD , A CORP OF SWITZERLAND Drill tool
6658968, Nov 25 1999 Sandvik Intellectual Property Aktiebolag Percussive rock drill bit and buttons therefor and method for manufacturing drill bit
7296641, Sep 21 2004 Sandvik Intellectual Property AB Rock drill bit having outer and inner rock-crushing buttons
7392863, Dec 09 2003 Sandvik Intellectual Property AB Rock drill bit
20020153174,
20040040752,
20040182610,
20050011680,
20060060389,
20060162965,
20070137900,
D454143, Mar 29 2000 Sandvik Intellectual Property Aktiebolag Drill bit
D496948, Jun 12 2003 Square drill bit
//
Executed onAssignorAssigneeConveyanceFrameReelDoc
Jul 23 2008Sandvik Intellectual Property AB(assignment on the face of the patent)
Aug 15 2008SUNDIN, JENSSandvik Intellectual Property ABASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0216360237 pdf
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