USD643859SActiveUtility

Core barrel assembly with tapered design

66
Assignee: LONGYEAR TM INCPriority: Oct 6, 2010Filed: Jan 19, 2011Granted: Aug 23, 2011
Est. expiryOct 6, 2030(~4.2 yrs left)· nominal 20-yr term from priority
Inventors:Christopher L. Drenth
66
PatentIndex Score
8
Cited by
65
References
1
Claims

Claims

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

Join the waitlist — get patent alerts

Track USD643859S — get alerts on status changes and closely related new filings.

We store only your email — no account needed. See our privacy policy.