USD515709SExpiredUtility

Drainage tile

78
Individually held — no corporate assignee on recordPriority: Jun 7, 2004Filed: Jul 16, 2004Granted: Feb 21, 2006
Est. expiryJun 7, 2024(expired)· nominal 20-yr term from priority
Inventors:James Charon
78
PatentIndex Score
28
Cited by
9
References
1
Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       The ornamental design for a drainage tile, as shown and described.

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