Duct seal for joining duct boards

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Description

FIG. 1 is a front perspective view of a duct seal for joining duct boards showing my new design including an h-shaped duct lock member and a locking plate;

FIG. 2 is a rear view of the h-shaped duct lock member, which forms a portion of the duct seal for joining duct boards;

FIG. 3 is a rear view of the locking plate, which forms a portion of the duct seal for joining duct boards; and,

FIG. 4 is an exploded view illustrating the duct seal for joining duct boards coupling two duct boards with the use of fasteners.

The broken lines illustrating duct boards and fasteners are provided for illustration purposes only and form no part of the claimed design.

Claims

The ornamental design for a duct seal for joining duct boards, as shown and described.

Referenced Cited
U.S. Patent Documents
969163 September 1910 Hunter
2103064 December 1937 Clark
3486283 December 1969 Arnett
3603054 September 1971 Didry
D228453 September 1973 Greer
4291905 September 29, 1981 Schrock
4331338 May 25, 1982 Caldwell et al.
4441723 April 10, 1984 Greenwald
D283352 April 8, 1986 Bancroft
4747750 May 31, 1988 Chlus et al.
4783115 November 8, 1988 Galubensky et al.
D306079 February 13, 1990 Whitney
D313478 January 1, 1991 Whitney
D318343 July 16, 1991 Miller et al.
D318742 July 30, 1991 Miller
D320094 September 17, 1991 Miller et al.
5277005 January 11, 1994 Hellwig et al.
6778792 August 17, 2004 Martin
6942915 September 13, 2005 Kondo et al.
7022008 April 4, 2006 Crocker
D529874 October 10, 2006 Ness et al.
D553238 October 16, 2007 Haggkvist
D652568 January 17, 2012 Trzesniowski
D652569 January 17, 2012 Trzesniowski
Patent History
Patent number: D713949
Type: Grant
Filed: May 11, 2011
Date of Patent: Sep 23, 2014
Inventor: Mark Moore (Waco, TX)
Primary Examiner: Cathy A MacCormac
Application Number: 29/391,623
Classifications
Current U.S. Class: Element Or Attachment, Not Elsewhere Specified (D23/386)