Patent
   D570663
Priority
Jun 02 2006
Filed
Jun 13 2006
Issued
Jun 10 2008
Expiry
Jun 10 2022
Assg.orig
Entity
unknown
7
31
n/a
The ornamental design for a hard tile drill bit, as shown and described.

FIG. 1 is a perspective view of a hard tile drill bit according to the present invention;

FIG. 2 is a side view of the hard tile drill bit in FIG. 1;

FIG. 3 is the side view opposite the side shown in FIG. 2 of the hard tile drill bit;

FIG. 4 is an end view;

FIG. 5 is an end view;

FIG. 6 is another side view; and,

FIG. 7 is yet another side view.

Duggan, Paul Edward

Patent Priority Assignee Title
8641336, Aug 12 2011 Tool holder and cutting tool
D583389, Apr 26 2007 Ateliers Busch SA Exhaust filter for a vacuum pump
D612875, Apr 22 2008 C4 Carbides Limited Cutter with pilot tip
D727707, May 21 2013 Cable installation device
D744309, Jun 28 2013 Cable installation device
D936714, Jun 04 2019 MIREKAJA A.G. Drill bit
D945235, Aug 30 2019 IMDEX TECHNOLOGY USA LLC Drive sub for a drilling tool
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jun 13 2006C4 Carbides Limited(assignment on the face of the patent)
Jul 19 2006DUGGAN, PAUL EDWARDC4 Carbides LimitedASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0181880977 pdf
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