Integral ductwork takeoff

Skip to: Description  ·  Claims  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a perspective view thereof;

FIG. 2 is a side view thereof as taken from the right side in FIG. 1;

FIG. 3 is a side view thereof as taken from the left side in FIG. 1;

FIG. 4 is a rear view thereof as taken from the right side of FIG. 2;

FIG. 5 is a front end view thereof as taken from the left side in FIG. 2;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

Claims

The ornamental design for an integral ductwork takeoff, as shown and described.

Referenced Cited
U.S. Patent Documents
1413492 April 1922 Rees
1493224 May 1924 Alston, Jr.
1608180 November 1926 Nathanson et al.
1771176 July 1930 Holub
2300088 October 1942 Artis
2507859 May 1950 Keller
2963783 December 1960 Field
3524246 August 1970 Hudson et al.
3871145 March 1975 Hatmaker
D257060 September 23, 1980 Mann
D262398 December 22, 1981 Syme
D268282 March 15, 1983 Wichmann et al.
D280126 August 13, 1985 Provan et al.
4803816 February 14, 1989 Klober
5160811 November 3, 1992 Ritzmann
5472241 December 5, 1995 Kosik et al.
5933954 August 10, 1999 Lucente
6176013 January 23, 2001 Lucente
D476074 June 17, 2003 Stout, Jr.
D501547 February 1, 2005 Stout, Jr.
D528646 September 19, 2006 Stout, Jr.
D550346 September 4, 2007 Ness
D554749 November 6, 2007 Ness
20030233797 December 25, 2003 Anderson
20040255523 December 23, 2004 Bibaud et al.
20060105700 May 18, 2006 Hadlock, Jr.
20060199505 September 7, 2006 Fettkether
Other references
  • High Efficiency Takeoffs (H.E.T.O), 1 page, Sheet Metal Connectors, Inc. (publicly available prior to Jun. 27, 2006).
Patent History
Patent number: D571908
Type: Grant
Filed: Jun 27, 2007
Date of Patent: Jun 24, 2008
Assignee: Sheet Metal Connectors, Inc. (Minneapolis, MN)
Inventor: James R. Myers (Anoka, MN)
Primary Examiner: Louis S Zarfas
Assistant Examiner: David G Muller
Attorney: Westman, Champlin & Kelly, P.A.
Application Number: 29/288,950
Classifications
Current U.S. Class: Vent, Ductwork, Or Element Thereof (D23/393)