Hexagonal chip with elongated side notches

Skip to: Description  ·  Claims  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a side perspective view of a hexagonal chip with elongated side notches of the present invention.

FIG. 2 is a side elevation view of a hexagonal chip with elongated side notches depicted in FIG. 1.

FIG. 3 is an alternate side elevation view of a hexagonal chip with elongated side notches depicted in FIGS. 1 through 2, rotated about a substantially vertical axis from the view depicted in FIG. 2.

FIG. 4 is an overhead view of a hexagonal chip with elongated side notches depicted in FIGS. 1 through 3; and,

FIG. 5 is a bottom view of a hexagonal chip with elongated side notches depicted in FIGS. 1 through 4.

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

Claims

The ornamental design for a hexagonal chip with elongated side notches, as shown and described.

Referenced Cited
U.S. Patent Documents
D100199 June 1936 Burgess
6079912 June 27, 2000 Rothballer
D482706 November 25, 2003 Svensson
6641337 November 4, 2003 Rothballer
D602510 October 20, 2009 Harpaz
D640716 June 28, 2011 Takahashi et al.
D649987 December 6, 2011 Dunnahoe
D651224 December 27, 2011 Takahashi et al.
20040007115 January 15, 2004 Schwaner et al.
Patent History
Patent number: D718356
Type: Grant
Filed: Dec 3, 2013
Date of Patent: Nov 25, 2014
Inventor: Duane C. Dunnahoe (New Iberia, LA)
Primary Examiner: Patricia Palasik
Application Number: 29/475,352
Classifications
Current U.S. Class: Cutting Tool, E.g., Drill Bit, Etc. (D15/139)