Duct seal
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Description
The broken line showing portions of a duct in
Claims
The ornamental design for a duct seal, as shown and described.
Referenced Cited
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Patent History
Patent number: D553238
Type: Grant
Filed: May 4, 2006
Date of Patent: Oct 16, 2007
Assignee: Eastern Sheet Metal (Cincinnati, OH)
Inventor: Alf Haggkvist (Varnamo)
Primary Examiner: Louis Zarfas
Assistant Examiner: David Muller
Attorney: Dinsmore & Shohl LLP
Application Number: 29/259,224
Type: Grant
Filed: May 4, 2006
Date of Patent: Oct 16, 2007
Assignee: Eastern Sheet Metal (Cincinnati, OH)
Inventor: Alf Haggkvist (Varnamo)
Primary Examiner: Louis Zarfas
Assistant Examiner: David Muller
Attorney: Dinsmore & Shohl LLP
Application Number: 29/259,224
Classifications
Current U.S. Class:
Element Or Attachment, Not Elsewhere Specified (D23/386)