Three channel duct

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Description

FIG. 1 is an upper perspective view of the three channel duct showing my design.

FIG. 2 is a side view thereof, wherein an opposite side view is a mirror image thereof;

FIG. 3 is front view thereof, wherein a back view is a mirror image thereof;

FIG. 4 is a top view thereof; and,

FIG. 5 is a bottom view thereof.

Claims

I claim the ornamental design for a three channel duct, as shown and described.

Referenced Cited
U.S. Patent Documents
5439035 August 8, 1995 Dal PaluúAttilio
D400670 November 3, 1998 Sorkin
6659135 December 9, 2003 Sorkin
6666233 December 23, 2003 Sorkin
Patent History
Patent number: D492987
Type: Grant
Filed: Jan 31, 2003
Date of Patent: Jul 13, 2004
Inventor: Felix L. Sorkin (Stafford, TX)
Primary Examiner: Louis S. Zarfas
Assistant Examiner: Robert A Delehanty
Attorney, Agent or Law Firm: Harrison & Egbert
Application Number: 29/175,214
Classifications
Current U.S. Class: Vent, Ductwork, Or Element Thereof (D23/393)
International Classification: 2303;