Core lifter
Latest Longyear TM, Inc. Patents:
Description
Claims
The ornamental design for a core lifter, as shown and described.
Referenced Cited
U.S. Patent Documents
Other references
1791256 | February 1931 | Wellensiek |
2205598 | June 1940 | Miller |
3340939 | September 1967 | Lindelof |
3540537 | November 1970 | Brown |
4883131 | November 28, 1989 | Foster |
5431466 | July 11, 1995 | Richardson, Jr. |
D477224 | July 15, 2003 | Hussain |
20030168870 | September 11, 2003 | Spencer et al. |
20090047083 | February 19, 2009 | Perry |
- Office Action dated Apr. 1, 2010 from U.S. Appl. No. 29/353,449 filed Jan. 8, 2010 (7 pages).
- Office Action dated Apr. 14, 2010 from U.S. Appl. No. 29/354,930 filed Jan. 29, 2010 (5 pages).
Patent History
Patent number: D620959
Type: Grant
Filed: Jan 29, 2010
Date of Patent: Aug 3, 2010
Assignee: Longyear TM, Inc. (South Jordan, UT)
Inventors: Christopher L. Drenth (Draper, UT), Hongyan Zhang (Wuxi)
Primary Examiner: Sandra Snapp
Assistant Examiner: Patricia Palasik
Attorney: Workman Nydegger
Application Number: 29/354,935
Type: Grant
Filed: Jan 29, 2010
Date of Patent: Aug 3, 2010
Assignee: Longyear TM, Inc. (South Jordan, UT)
Inventors: Christopher L. Drenth (Draper, UT), Hongyan Zhang (Wuxi)
Primary Examiner: Sandra Snapp
Assistant Examiner: Patricia Palasik
Attorney: Workman Nydegger
Application Number: 29/354,935
Classifications
Current U.S. Class:
Element Or Attachment (D15/138)