USD649167SActiveUtility

Core barrel head assembly with tapered design

66
Individually held — no corporate assignee on recordPriority: Oct 6, 2010Filed: Jan 19, 2011Granted: Nov 22, 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
83
References
1
Claims

Claims

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

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