USD257940SExpiredUtility
Sprinkler cleaner
Individually held — no corporate assignee on recordPriority: Jul 5, 1978Filed: Jul 5, 1978Granted: Jan 20, 1981
Est. expiryJul 5, 1998(expired)· nominal 20-yr term from priority
Inventors:Harvey C. Holland
30
PatentIndex Score
4
Cited by
5
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a sprinkler cleaner, substantially as shown and described.
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