USD310812SExpiredUtility
Propeller hub extrusion
Individually held — no corporate assignee on recordPriority: Feb 17, 1988Filed: Feb 17, 1988Granted: Sep 25, 1990
Est. expiryFeb 17, 2008(expired)· nominal 20-yr term from priority
Inventors:Robert M. Bergeron
58
PatentIndex Score
8
Cited by
1
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a propeller hub extrusion, as shown and described.
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