Core lifter

- Longyear TM, Inc.
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Description

FIG. 1 is a perspective view of a core lifter;

FIG. 2 is a front elevational view of the core lifter shown in FIG. 1, the right side elevational view being identical thereto;

FIG. 3 is a bottom plan view of the core lifter shown in FIG. 1;

FIG. 4 is top plan view of the core lifter shown in FIG. 1;

FIG. 5 is a left side elevational view of the core lifter shown in FIG. 1; and,

FIG. 6 is a rear elevational view of the core lifter shown in FIG. 1.

The phantom, broken lines shown in the drawings form part of the design that is not claimed herein.

Claims

The ornamental design for a core lifter, as shown and described.

Referenced Cited
U.S. Patent Documents
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
Other references
  • Notice of Allowance dated Mar. 29, 2010 from U.S. Appl. No. 29/354,935, filed Jan. 29, 2010 (5 pages).
  • Office Action dated Apr. 1, 2010 from U.S. Appl. No. 29/353,449, filed Jan. 8, 2010 (7 pages).
  • Issue Notification dated Jul. 14, 2010 from U.S. Appl. No. 29/354,935 filed Jan. 29, 2010 (1 page).
Patent History
Patent number: D625346
Type: Grant
Filed: Jan 29, 2010
Date of Patent: Oct 12, 2010
Assignee: Longyear TM, Inc. (South Jordan, UT)
Inventors: Christopher L. Drenth (Draper, UT), Hongyan Zhang (Wuxi)
Primary Examiner: Patricia Palasik
Attorney: Workman Nydegger
Application Number: 29/354,930
Classifications
Current U.S. Class: Element Or Attachment (D15/138)