USD447545SExpiredUtility

Metal pipe

33
Priority: Mar 7, 2000Filed: Mar 7, 2000Granted: Sep 4, 2001
Est. expiryMar 7, 2020(expired)· nominal 20-yr term from priority
Inventors:Hong Liang Ng
33
PatentIndex Score
4
Cited by
6
References
1
Claims

Claims

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

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