USD455055SExpiredUtility

Flow channel for drip irrigation with central cavity

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Assignee: ROBERTS GROUPS HOLDINGS LLCPriority: Nov 16, 2000Filed: Nov 16, 2000Granted: Apr 2, 2002
Est. expiryNov 16, 2020(expired)· nominal 20-yr term from priority
Inventors:John RobertsJack F. Butler
74
PatentIndex Score
23
Cited by
54
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a “flow channel for drip irrigation with central cavity”, as shown.

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