Duct connector
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Description
The features shown in broken lines depict environmental subject matter only and form no part of the claimed design.
Claims
We claim the ornamental design for a duct connector, as shown and described.
Referenced Cited
U.S. Patent Documents
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2963783 | December 1960 | Field |
D257060 | September 23, 1980 | Mann |
D262398 | December 22, 1981 | Syme |
5160811 | November 3, 1992 | Ritzmann |
D387859 | December 16, 1997 | Ukai et al. |
D394101 | May 5, 1998 | Hayashi et al. |
6830065 | December 14, 2004 | Sinur et al. |
D528646 | September 19, 2006 | Stout, Jr. |
D537934 | March 6, 2007 | Crook |
D571908 | June 24, 2008 | Myers |
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D599828 | September 8, 2009 | Yabe et al. |
Patent History
Patent number: D669570
Type: Grant
Filed: Feb 6, 2012
Date of Patent: Oct 23, 2012
Assignee: Broan-NuTone, LLC (Hartford, WI)
Inventors: Robert G. Penlesky (Waukesha, WI), Mirko Zakula (New Berlin, WI), Daniel L. Karst (Beaver Dam, WI)
Primary Examiner: David Muller
Attorney: Greenberg Traurig LLP
Application Number: 29/412,644
Type: Grant
Filed: Feb 6, 2012
Date of Patent: Oct 23, 2012
Assignee: Broan-NuTone, LLC (Hartford, WI)
Inventors: Robert G. Penlesky (Waukesha, WI), Mirko Zakula (New Berlin, WI), Daniel L. Karst (Beaver Dam, WI)
Primary Examiner: David Muller
Attorney: Greenberg Traurig LLP
Application Number: 29/412,644
Classifications
Current U.S. Class:
Vent, Ductwork, Or Element Thereof (D23/393)