USD620959SActiveUtility

Core lifter

33
Assignee: LONGYEAR TM INCPriority: Jan 8, 2010Filed: Jan 29, 2010Granted: Aug 3, 2010
Est. expiryJan 8, 2030(~3.5 yrs left)· nominal 20-yr term from priority
Inventors:Christopher L. DrenthHongyan Zhang
33
PatentIndex Score
1
Cited by
11
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a core lifter, as shown and described.

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