Patent
   D334877
Priority
Feb 21 1991
Filed
Feb 21 1991
Issued
Apr 20 1993
Expiry
Apr 20 2007
Assg.orig
Entity
unknown
0
4
n/a
The ornamental design for a pipe bore refinishing tool, as shown and described.

FIG. 1 is a reduced top, front and right-side perspective view of a pipe bore refinishing tool showing my new design;

FIG. 2 is a front plan view of the tool;

FIG. 3 is a rear plan view of the tool;

FIG. 4 is a top elevational view of the tool; and,

FIG. 5 is a bottom elevational view of the inventive tool.

Nygards, Nils

Patent Priority Assignee Title
Patent Priority Assignee Title
3597887,
4715150, Apr 29 1986 Seiken Co., Ltd. Nonwoven fiber abrasive disk
D323100, Jul 13 1989 Grout saw
D329006, Jun 27 1990 Thimble attachment for a drill
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