Patent
   D620959
Priority
Jan 08 2010
Filed
Jan 29 2010
Issued
Aug 03 2010
Expiry
Aug 03 2024
Assg.orig
Entity
unknown
1
9
n/a
The ornamental design for a core lifter, as shown and described.

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.

Zhang, Hongyan, Drenth, Christopher L.

Patent Priority Assignee Title
10612308, Nov 03 2009 Boart Longyear Company Core lifter
Patent Priority Assignee Title
1791256,
2205598,
3340939,
3540537,
4883131, May 23 1988 Core orientation system
5431466, Jun 30 1992 G. R. Osterland Company Apparatus for pulling cores
20030168870,
20090047083,
D477224, Feb 08 2002 Screw cap for a container
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