USD489806SExpiredUtility

Duct with a crimped end

64
Assignee: EASTERN SHEET METAL LLCPriority: Mar 20, 2001Filed: Mar 10, 2003Granted: May 11, 2004
Est. expiryMar 20, 2021(expired)· nominal 20-yr term from priority
Inventors:William K. Stout, Jr.
64
PatentIndex Score
11
Cited by
107
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a duct with a crimpled end, as shown and described.

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