Carbide chip

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Description

FIG. 1 is a front perspective view of a carbide chip of the present invention.

FIG. 2 is a rear perspective view of a carbide chip depicted in FIG. 1.

FIG. 3 is a front elevation view of a carbide chip depicted in FIGS. 1 through 2.

FIG. 4 is a side elevation view of a carbide chip depicted in FIGS. 1 through 3.

FIG. 5 is a rear elevation view of a carbide chip depicted in FIGS. 1 through 4.

FIG. 6 is a side sectional view of a carbide chip depicted along line 6-6 of FIG. 3.

FIG. 7 is a perspective view of a carbide chip with a plurality of carbide chips of the present invention disposed on a mill shown in broken lines forming no part of the claimed design.

FIG. 8 is a perspective view of a carbide chip with a plurality of carbide chips of the present invention joined in a honeycomb configuration shown in broken lines forming no part of the claimed design.

FIG. 9 is a rear elevation view of a carbide chip with a plurality of carbide chips shown in broken lines forming no part of the claimed design depicted in FIG. 8; and,

FIG. 10 is a rear perspective view of a carbide chip with a plurality of carbide chips shown in broken lines forming no part of the claimed design depicted in FIGS. 8 and 9.

The present invention is a carbide chip used on down-hole tools including, without limitation, mills.

Claims

The ornamental design for a carbide chip, as shown and described.

Referenced Cited
U.S. Patent Documents
4727410 February 23, 1988 Higgins, III
5681189 October 28, 1997 Dunham
D571851 June 24, 2008 Myers
D600541 September 22, 2009 Steppat et al.
D603433 November 3, 2009 Zastrozynski
D640716 June 28, 2011 Takahashi et al.
20030039519 February 27, 2003 Scherbarth
Patent History
Patent number: D649987
Type: Grant
Filed: Feb 4, 2010
Date of Patent: Dec 6, 2011
Inventor: Duane C. Dunnahoe (New Iberia, LA)
Primary Examiner: Patricia Palasik
Attorney: Ted M. Anthony
Application Number: 29/348,751
Classifications