Patent
   D403473
Priority
Mar 05 1997
Filed
Mar 05 1997
Issued
Dec 29 1998
Expiry
Dec 29 2012
Assg.orig
Entity
unknown
1
5
n/a
The ornamental design for a inner/outer diameter pipe cleaning system, as shown.

FIG. 1 is a front view of the inner/outer diameter pipe cleaning system of the present invention;

FIG. 2 is a back view of the inner/outer diameter pipe cleaning system of FIG. 1;

FIG. 3 is a left side view of the inner/outer diameter pipe cleaning system of FIG. 1;

FIG. 4 is a right side view of the inner/outer diameter pipe cleaning system of FIG. 1;

FIG. 5 is a top plan view of the inner/outer diameter pipe cleaning system of FIG. 1; and,

FIG. 6 is a bottom plan view of the inner/outer diameter pipe cleaning system of FIG. 1.

Hoppe, George F

Patent Priority Assignee Title
6757929, Mar 22 2002 Pipe cleaning tool
Patent Priority Assignee Title
D298086, Dec 17 1985 Skate wheel cleaner
D309377, May 15 1987 Ilsco Corporation Hand held flexible brush for cleaning electrical terminals of varying size
D335962, Aug 13 1990 Battery terminal cleaner
D347523, May 09 1991 Rotary copper pipe cleaner
D370348, Nov 27 1992 Brush for golf cart wheel
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