USD342130SExpiredUtility

Duct offset elbow

86
Assignee: BUILDERS BEST INCPriority: Jan 31, 1992Filed: Jan 31, 1992Granted: Dec 7, 1993
Est. expiryJan 31, 2012(expired)· nominal 20-yr term from priority
Inventors:Charles B. AndersonCharles R. Kenrick
86
PatentIndex Score
32
Cited by
11
References
1
Claims

Claims

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

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