USD310404SExpiredUtility

Combined reversible sprinkler nozzle and support ring

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Individually held — no corporate assignee on recordPriority: Sep 28, 1989Filed: Sep 28, 1989Granted: Sep 4, 1990
Est. expirySep 28, 2009(expired)· nominal 20-yr term from priority
Inventors:Robert W. Hengesbach
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PatentIndex Score
1
Cited by
33
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a combined reversible sprinkler nozzle and support ring, as shown and described.

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