USD269117SExpiredUtility

Ventilation conduit for toilets

47
Individually held — no corporate assignee on recordPriority: Dec 18, 1980Filed: Dec 18, 1980Granted: May 24, 1983
Est. expiryDec 18, 2000(expired)· nominal 20-yr term from priority
Inventors:David L. Sherrard
47
PatentIndex Score
9
Cited by
10
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a ventilation conduit for toilets, as shown.

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