USD247968SExpiredUtility
Rotating horsehead for oilfield pump
Individually held — no corporate assignee on recordPriority: Apr 15, 1977Filed: Apr 15, 1977Granted: May 23, 1978
Est. expiryApr 15, 1997(expired)· nominal 20-yr term from priority
Inventors:Forrest E. Chancellor
18
PatentIndex Score
0
Cited by
6
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a rotating horsehead for oilfield pump, as shown and described.
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