USD259881SExpiredUtility
Screw propellor protection device for boats
Individually held — no corporate assignee on recordPriority: Aug 9, 1978Filed: Feb 7, 1979Granted: Jul 14, 1981
Est. expiryAug 9, 1998(expired)· nominal 20-yr term from priority
Inventors:Michael R. Corboy
6
PatentIndex Score
0
Cited by
3
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for screw propellor protection device for boats, as shown.
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