Core bit cleaner
Description
Claims
The ornamental design for a core bit cleaner, as shown.
Referenced Cited
U.S. Patent Documents
1331126 | February 1920 | Robichaux |
2041467 | May 1936 | Green |
2510865 | June 1950 | Cooper |
3363705 | January 1968 | Jensen |
3380534 | April 1968 | Hall et al. |
3593786 | July 1971 | Lewis |
3982590 | September 28, 1976 | Harriman |
D391349 | February 24, 1998 | Chih |
D413126 | August 24, 1999 | Warren et al. |
D420013 | February 1, 2000 | Warren et al. |
6019181 | February 1, 2000 | Soinski et al. |
6152221 | November 28, 2000 | Carmichael et al. |
D468753 | January 14, 2003 | Fergusson |
6755593 | June 29, 2004 | Wentworth et al. |
D622293 | August 24, 2010 | Drenth et al. |
D632310 | February 8, 2011 | Coyle, Jr. |
D644668 | September 6, 2011 | Drenth |
D649167 | November 22, 2011 | Drenth |
20090032256 | February 5, 2009 | Sun et al. |
20090283328 | November 19, 2009 | Drivdahl et al. |
Patent History
Patent number: D699268
Type: Grant
Filed: Aug 2, 2013
Date of Patent: Feb 11, 2014
Inventor: Brian Patrick O'Connor (Hallett Cove)
Primary Examiner: Mark Goodwin
Application Number: 29/462,384
Type: Grant
Filed: Aug 2, 2013
Date of Patent: Feb 11, 2014
Inventor: Brian Patrick O'Connor (Hallett Cove)
Primary Examiner: Mark Goodwin
Application Number: 29/462,384
Classifications
Current U.S. Class:
Drilling, Mining, Or Soil Treatment (includes Element) (D15/21)