Three channel duct
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
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
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;
International Classification: 2303;