USD338707SExpiredUtility

Sink drain diversion valve

8
Individually held — no corporate assignee on recordPriority: Apr 22, 1991Filed: Apr 22, 1991Granted: Aug 24, 1993
Est. expiryApr 22, 2011(expired)· nominal 20-yr term from priority
Inventors:Norvell N. Stepp
8
PatentIndex Score
1
Cited by
8
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a sink drain diversion valve, as shown and described.

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