Duct seal

- Eastern Sheet Metal
Skip to: Description  ·  Claims  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a front perspective view of a duct seal according to an embodiment of the present design;

FIG. 2 is a side view of the duct seal of FIG. 1, other side views being identical due to the axisymmetric construction of the duct seal;

FIG. 3 is a front view of the duct seal of FIG. 1;

FIG. 4 is a rear view of the duct seal of FIG. 1;

FIG. 5 is a side cutaway view along the lines 55 of the duct seal of FIG. 1; and,

FIG. 6 is a detail of the side cutaway view of FIG. 5, showing the duct seal placed around a portion of a notional duct.

The broken line showing portions of a duct in FIG. 6 is for illustrative purposes only and forms no part of the claimed design.

Claims

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

Referenced Cited
U.S. Patent Documents
3955834 May 11, 1976 Ahlrot
4007941 February 15, 1977 Stancati
D256046 July 22, 1980 Perrin
D256499 August 19, 1980 Foreman
4291905 September 29, 1981 Schrock
D273702 May 1, 1984 Widerby et al.
4645244 February 24, 1987 Curtis
4653124 March 31, 1987 McNeal et al.
D322120 December 3, 1991 du Gay
5599600 February 4, 1997 Rau
D379493 May 27, 1997 Woods
D427667 July 4, 2000 Stout, Jr.
D427668 July 4, 2000 Stout, Jr.
D427673 July 4, 2000 Stout, Jr.
D430482 September 5, 2000 Stout, Jr.
D435090 December 12, 2000 Stout, Jr.
D437034 January 30, 2001 Stout, Jr.
6279967 August 28, 2001 Proctor et al.
D475130 May 27, 2003 Stout, Jr.
D475447 June 3, 2003 Stout, Jr.
D475448 June 3, 2003 Stout, Jr.
D475449 June 3, 2003 Stout, Jr.
D475778 June 10, 2003 Stout, Jr.
D475779 June 10, 2003 Stout, Jr.
D475780 June 10, 2003 Stout, Jr.
D476074 June 17, 2003 Stout, Jr.
D478978 August 26, 2003 Stout, Jr.
D480132 September 30, 2003 Stout, Jr.
D488217 April 6, 2004 Stout, Jr.
D488858 April 20, 2004 Stout, Jr.
D488859 April 20, 2004 Stout, Jr.
D489806 May 11, 2004 Stout, Jr.
D492024 June 22, 2004 Stout, Jr.
D492025 June 22, 2004 Stout, Jr.
6758502 July 6, 2004 Mattsson et al.
D501547 February 1, 2005 Stout, Jr.
D501548 February 1, 2005 Stout, Jr.
D513072 December 20, 2005 Berg
D521632 May 23, 2006 Stout, Jr.
D521633 May 23, 2006 Stout, Jr.
D523131 June 13, 2006 Stout, Jr.
D524436 July 4, 2006 Stout, Jr.
20040250403 December 16, 2004 Issagholian-Havai
20060006610 January 12, 2006 Graham
20060214423 September 28, 2006 Sandman et al.
20060253971 November 16, 2006 Colin et al.
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
Classifications