USD590926SActiveUtility

Corrugated drain conduit

38
Individually held — no corporate assignee on recordPriority: Jul 31, 2006Filed: Jul 31, 2006Granted: Apr 21, 2009
Est. expiryJul 31, 2026(expired)· nominal 20-yr term from priority
Inventors:John F. Crain
38
PatentIndex Score
7
Cited by
33
References
1
Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       The ornamental design for corrugated drain conduit, as shown and described.

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