Patent
   D561790
Priority
May 04 2007
Filed
May 04 2007
Issued
Feb 12 2008
Expiry
Feb 12 2022
Assg.orig
Entity
unknown
0
9
n/a
The ornamental design for a washer punch insert plug, as shown and described.

FIG. 1 is a perspective view of the washer punch insert plug of the present invention, looking angularly towards a front edge thereof;

FIG. 2 is a side elevational view of the washer punch insert plug of the present invention, which side view is of the first side of said design;

FIG. 3 is a side elevational view of the washer punch insert plug of the present invention, which side view is of the second side of said design;

FIG. 4 is a side elevational view of the washer punch insert plug of the present invention, which side view is of the third and last side of said design;

FIG. 5 is a top or plan view of the washer punch insert plug of the present invention; and,

FIG. 6 is a view of the bottom or back end of the washer punch insert plug of the present invention.

Greenleaf, Richard J.

Patent Priority Assignee Title
Patent Priority Assignee Title
1558419,
1696912,
2212886,
2649125,
3641860,
4008638, Feb 05 1976 Miller Mold Company Die assembly for forming openings in workpieces
4487566, Jul 11 1983 Punching tool having interchangeable punches
5259819, Oct 07 1991 Method of manufacturing a washer
5791308, Jul 18 1997 PRECISION COMBUSTION, INC Plug assembly
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