Mining core chock
Description
Claims
The ornamental design for a mining core chock, as shown and described.
Referenced Cited
U.S. Patent Documents
1576846 | March 1926 | Pomfret |
3858690 | January 1975 | Facemire |
3991579 | November 16, 1976 | Deffontaine |
4041714 | August 16, 1977 | Allen |
4154038 | May 15, 1979 | Kostecky |
4557290 | December 10, 1985 | Chanal et al. |
4688968 | August 25, 1987 | Fanget |
4917219 | April 17, 1990 | Henry |
5681021 | October 28, 1997 | Noll |
6978865 | December 27, 2005 | Fougere |
20070051923 | March 8, 2007 | Jones |
Patent History
Patent number: D557297
Type: Grant
Filed: Mar 22, 2007
Date of Patent: Dec 11, 2007
Inventor: Donald L. Evans (Reno, NV)
Primary Examiner: Gary D. Watson
Assistant Examiner: Patricia Palasik
Attorney: George W. Wasson
Application Number: 29/285,180
Type: Grant
Filed: Mar 22, 2007
Date of Patent: Dec 11, 2007
Inventor: Donald L. Evans (Reno, NV)
Primary Examiner: Gary D. Watson
Assistant Examiner: Patricia Palasik
Attorney: George W. Wasson
Application Number: 29/285,180
Classifications