USD346431SExpiredUtility

Float-controlled rotary valve for flooding a rice paddy to a predetermined depth

31
Individually held — no corporate assignee on recordPriority: Jun 26, 1992Filed: Jun 26, 1992Granted: Apr 26, 1994
Est. expiryJun 26, 2012(expired)· nominal 20-yr term from priority
Inventors:Daryl D. Alberico
31
PatentIndex Score
3
Cited by
7
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a float-controlled rotary valve for flooding a rice paddy to a predetermined depth, as shown and described.

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