Core lifter

- Longyear TM, Inc.
Skip to: Description  ·  Claims  ·  References Cited  · Patent History  ·  Patent History
Description

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

FIG. 2 is a bottom plan 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
D43713 March 1913 Campbell
1791256 February 1931 Wellensiek
2205598 June 1940 Miller
D198713 July 1964 Curtiss
3340939 September 1967 Lindelof
3540537 November 1970 Brown
D243063 January 18, 1977 Mooney
D273561 April 24, 1984 Ozaki et al.
4883131 November 28, 1989 Foster
5431466 July 11, 1995 Richardson, Jr.
D388933 January 6, 1998 Hunter et al.
D477224 July 15, 2003 Hussain
20030168870 September 11, 2003 Spencer et al.
20090047083 February 19, 2009 Perry
Other references
  • Issue Notification dated Jul. 14, 2010 from U.S. Appl. No. 29/354,935, filed Jan. 29, 2010 (1 pages).
  • Issue Notification dated Sep. 22, 2010 from U.S. Appl. No. 29/354,930, filed Jan. 29, 2010 (1 page).
  • Notice of Allowance dated Jul. 26, 2010 from U.S. Appl. No. 29/354,930, filed Jan. 29, 2010 (7 pages).
  • 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).
  • Office Action dated Apr. 14, 2010 from U.S. Appl. No. 29/354,930, filed Jan. 29, 2010 (5 pages).
  • Supplemental Notice of Allowability dated Sep. 10, 2010 from U.S. Appl. No. 29/354,930, filed Jan. 29, 2010 (4 pages).
Patent History
Patent number: D644673
Type: Grant
Filed: Jan 29, 2010
Date of Patent: Sep 6, 2011
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: 29/354,931
Classifications
Current U.S. Class: Element Or Attachment (D15/138)