Patent
   D400670
Priority
Apr 25 1996
Filed
Apr 25 1996
Issued
Nov 03 1998
Expiry
Nov 03 2012
Assg.orig
Entity
unknown
42
3
n/a
The ornamental design for a duct, as shown and described.

FIG. 1 is a perspective view of a duct showing my design;

FIG. 2 is a side elevational view thereof, the other sides being identical to that shown; and,

FIG. 3 is an end view thereof, the opposite end being a mirror image of that shown.

Sorkin, Felix L.

Patent Priority Assignee Title
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Patent Priority Assignee Title
4296157, Dec 05 1978 Arnco Corporation Tube with weakened side wall segment
D307174, Sep 13 1985 OY UPONOR AB, A CORP OF FINLAND Tube or the like
D371189, Aug 26 1994 CANADA PIPE COMPANY, LTD Gasket
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