USD313418SExpiredUtility

Sump-riser housing

88
Individually held — no corporate assignee on recordPriority: Oct 6, 1988Filed: Oct 6, 1988Granted: Jan 1, 1991
Est. expiryOct 6, 2008(expired)· nominal 20-yr term from priority
Inventors:Michael C. Webb
88
PatentIndex Score
27
Cited by
7
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a sump-riser housing, as shown and described.

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