USD255920SExpiredUtility
Sprinkler head
Individually held — no corporate assignee on recordPriority: Aug 30, 1978Filed: Aug 30, 1978Granted: Jul 15, 1980
Est. expiryAug 30, 1998(expired)· nominal 20-yr term from priority
Inventors:Frank R. Antonell
65
PatentIndex Score
15
Cited by
1
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a sprinkler head, as shown and described.
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