Patent
   D274119
Priority
Apr 24 1981
Filed
Oct 14 1981
Issued
Jun 05 1984
Expiry
Jun 05 1998
Assg.orig
Entity
unknown
0
2
n/a
The ornamental design for a tool for making a through hole, as shown.

FIG. 1 is a perspective view of the tool for making a through hole seen from one side.

FIG. 2 is a perspective view of the tool for making a through hole seen from the other side.

Legerius, Bengt E., Siebert, Hans W.

Patent Priority Assignee Title
Patent Priority Assignee Title
3815694,
4228705, Apr 30 1979 FANSTEEL INC , A CORP OF DELAWARE Tool holding device
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Sep 15 1981LEGERIUS, BENGT E TELEFONAKTIEBOLAGET L M ERICSSON, A COMPANY OF THE KINGDOM OF SWEDENASSIGNMENT OF ASSIGNORS INTEREST 0039360491 pdf
Sep 15 1981SIEBERT, HANS W TELEFONAKTIEBOLAGET L M ERICSSON, A COMPANY OF THE KINGDOM OF SWEDENASSIGNMENT OF ASSIGNORS INTEREST 0039360491 pdf
Oct 14 1981Telefonaktiebolaget L M Ericsson(assignment on the face of the patent)
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