Duct

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Description

FIG. 1 is a top view of a duct showing my new ornamental design.

FIG. 2 is a side view thereof.

FIG. 3 is a perspective view thereof.

FIG. 4 is a back view thereof; and,

FIG. 5 is an enlarged cross sectional view taken on line 5—5 of FIG. 2.

Claims

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

Referenced Cited
U.S. Patent Documents
D222643 November 1971 Martin et al.
D262300 December 15, 1981 Sonden et al.
D360020 July 4, 1995 Sonden et al.
D362299 September 12, 1995 Sonden et al.
D371189 June 25, 1996 Babicki
D383195 September 2, 1997 Sonden et al.
D383196 September 2, 1997 Sonden et al.
D400670 November 3, 1998 Sorkin
Patent History
Patent number: D446298
Type: Grant
Filed: Sep 7, 2000
Date of Patent: Aug 7, 2001
Inventor: William E. Thurman (Columbia, MO)
Primary Examiner: Mitchell Siegel
Attorney, Agent or Law Firm: George E. Morgan
Application Number: 29/129,102
Classifications
Current U.S. Class: Vent, Ductwork, Or Element Thereof (D23/393); Coupling Or Joint (D23/262)
International Classification: 2304;