USD310555SExpiredUtility
Combined reversible sprinkler nozzle and support ring
Individually held — no corporate assignee on recordPriority: Sep 28, 1989Filed: Sep 28, 1989Granted: Sep 11, 1990
Est. expirySep 28, 2009(expired)· nominal 20-yr term from priority
Inventors:Robert W. Hengesbach
31
PatentIndex Score
0
Cited by
34
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a combined reversible sprinkler nozzle and support ring, as shown and described.
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