USD322657SExpiredUtility

Valve actuator

67
Individually held — no corporate assignee on recordPriority: Dec 8, 1989Filed: Dec 8, 1989Granted: Dec 24, 1991
Est. expiryDec 8, 2009(expired)· nominal 20-yr term from priority
Inventors:Nils I. AarthunPeter Lofgren
67
PatentIndex Score
13
Cited by
8
References
1
Claims

Claims

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

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