Bit breaker top and bottom
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Description
The broken lines depict portions of a bit breaker, in which the design is embodied, but which are not considered part of the claimed design.
Claims
The ornamental design for a bit breaker top and bottom, as shown and described.
Referenced Cited
U.S. Patent Documents
2223600 | December 1940 | Carleton |
3964605 | June 22, 1976 | Vezirian |
4244469 | January 13, 1981 | Miner |
4495840 | January 29, 1985 | Freitag |
4733789 | March 29, 1988 | Olson |
6311789 | November 6, 2001 | Saxman |
6536192 | March 25, 2003 | King |
7062991 | June 20, 2006 | West |
8002112 | August 23, 2011 | Weaver |
8327944 | December 11, 2012 | King |
Patent History
Patent number: D801402
Type: Grant
Filed: Sep 22, 2015
Date of Patent: Oct 31, 2017
Assignee: Ulterra Drilling Technologies, L.P. (Fort Worth, TX)
Inventor: Ryan Matthews (Fort Worth, TX)
Primary Examiner: Phillip S Hyder
Application Number: 29/540,220
Type: Grant
Filed: Sep 22, 2015
Date of Patent: Oct 31, 2017
Assignee: Ulterra Drilling Technologies, L.P. (Fort Worth, TX)
Inventor: Ryan Matthews (Fort Worth, TX)
Primary Examiner: Phillip S Hyder
Application Number: 29/540,220
Classifications
Current U.S. Class:
Tool Or Work Holder (D15/140)