USD375558SExpiredUtility

End coupler for fume exhaust ducts

53
Assignee: WILLIAMS DOUGLASPriority: Jun 7, 1995Filed: Jun 7, 1995Granted: Nov 12, 1996
Est. expiryJun 7, 2015(expired)· nominal 20-yr term from priority
53
PatentIndex Score
9
Cited by
6
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an end coupler for fume exhaust ducts, as shown and described.

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