USD251128SExpiredUtility

Sprinkler head

83
Assignee: VIKING CORPPriority: Jun 21, 1977Filed: Jun 21, 1977Granted: Feb 20, 1979
Est. expiryJun 21, 1997(expired)· nominal 20-yr term from priority
Inventors:Richard T. GroosGerald W. Sanders
83
PatentIndex Score
20
Cited by
9
References
1
Claims

Claims

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

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