Patent
   D304456
Priority
Mar 27 1987
Filed
Mar 27 1987
Issued
Nov 07 1989
Expiry
Nov 07 2003
Assg.orig
Entity
unknown
1
5
n/a
The ornamental design for a paper hole drill, as shown and described.

FIG. 1 is a front elevational view of a paper hole drill showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and

FIG. 7 is a top, front and left side perspective view thereof.

Takahashi, Yoshihiro

Patent Priority Assignee Title
D407751, Jun 13 1997 F. Zimmermann GmbH & Co. KG Perforating machine
Patent Priority Assignee Title
2364011,
3452628,
4221139, Mar 15 1979 C & C Metal Products Corporation Apparatus for assembling covered buttons
101889,
182387,
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Mar 18 1987TAKAHASHI, YOSHIHIROPlus CorporationASSIGNMENT OF ASSIGNORS INTEREST 0046840543 pdf
Mar 27 1987Plus Corporation(assignment on the face of the patent)
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