USD657041SActiveUtility

Duct section

28
Assignee: BULL ROYSTON DOUGLASPriority: Jul 8, 2010Filed: Jan 6, 2011Granted: Apr 3, 2012
Est. expiryJul 8, 2030(~3.9 yrs left)· nominal 20-yr term from priority
Inventors:Royston Douglas Bull
28
PatentIndex Score
6
Cited by
13
References
1
Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       I claim the ornamental design of a duct section, as shown and described.

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