USD296356SExpiredUtility

Corrugated pipe

94
Assignee: KANAO SHIROPriority: Oct 31, 1984Filed: Mar 5, 1985Granted: Jun 21, 1988
Est. expiryOct 31, 2004(expired)· nominal 20-yr term from priority
Inventors:Shiro Kanao
94
PatentIndex Score
40
Cited by
8
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a corrugated pipe, as shown and described.

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