Overburden pilot bit

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Description

FIG. 1 is a top side perspective view of the first embodiment of my design an overburden pilot bit.

FIG. 2 is a bottom side perspective view of the overburden pilot bit shown in FIG. 1.

FIG. 3 is a side plan view of the overburden pilot bit shown in FIG. 1.

FIG. 4 is a bottom plan view of the overburden pilot bit shown in FIG. 1; and,

FIG. 5 is a top plan view of the overburden pilot bit shown in FIG. 1.

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

Claims

The ornamental design for an overburden pilot bit, as shown and described.

Referenced Cited
U.S. Patent Documents
4076445 February 28, 1978 Kress et al.
D382887 August 26, 1997 Hollar et al.
D424579 May 9, 2000 Brady
D454143 March 5, 2002 Åsberg
D483382 December 9, 2003 Brady
D487753 March 23, 2004 Brady
D504141 April 19, 2005 Charland et al.
D524333 July 4, 2006 Brady
7645102 January 12, 2010 Nomura et al.
8347988 January 8, 2013 Gilbert et al.
D682326 May 14, 2013 Monyak et al.
D682898 May 21, 2013 Fujii
20100040425 February 18, 2010 Nomura et al.
Patent History
Patent number: D700922
Type: Grant
Filed: Aug 26, 2013
Date of Patent: Mar 11, 2014
Inventor: Dennis Burca (Calgary)
Primary Examiner: Patricia Palasik
Application Number: 29/465,221
Classifications
Current U.S. Class: Cutting Tool, E.g., Drill Bit, Etc. (D15/139)