Patent
   D717351
Priority
Jan 17 2014
Filed
Jan 17 2014
Issued
Nov 11 2014
Expiry
Nov 11 2028
Assg.orig
Entity
unknown
8
11
n/a
The ornamental design for a pilot drill bit, as shown and described.

FIG. 1 is a left side elevation view of the present design, pilot drill bit.

FIG. 2 is a rear end elevation view of the present design, pilot drill bit.

FIG. 3 is a rear left side perspective view of the present design, pilot drill bit; and,

FIG. 4 is a front right side perspective view of the present design, pilot drill bit.

The broken lines in the drawings depict unclaimed subject matter.

Burca, Dennis

Patent Priority Assignee Title
10821594, Oct 29 2013 Black & Decker Inc. Power tool with ergonomic handgrip
D737647, Oct 29 2013 Black & Decker Inc. Nosepiece for screwdriver
D748170, Nov 27 2013 Connector for construction drilling cup
D748700, Nov 27 2013 Construction drilling cup
D748701, Nov 27 2013 Inner ring of a construction drilling cup
D748702, Nov 27 2013 Accessory for inner ring of drilling cup and for housing of electrical appliances
ER5833,
ER8854,
Patent Priority Assignee Title
2915925,
5322139, Jul 28 1993 Loose crown underreamer apparatus
5743345, Jul 30 1996 Ingersoll-Rand Company Drill bit for reverse drilling
5975222, Jul 01 1996 Reverse circulation drilling system with bit locked underreamer arms
7389833, Jun 10 2005 KEYSTONE AIR & DRILL SUPPLY CO Multi-sectional percussive drill bit assembly
7419017, Jun 10 2005 KEYSTONE AIR & DRILL SUPPLY CO Multi-sectional percussive drill bit assembly
20060027399,
20070095576,
20100243333,
D700922, Aug 26 2013 Overburden pilot bit
D710174, Aug 15 2013 Black & Decker Inc. Sleeve for screwdriving bit
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