PTO Wrapper PDF
Dossier Espace Google
Patent
   D274120
Priority
Apr 24 1981
Filed
Oct 14 1981
Issued
Jun 05 1984
Expiry
Jun 05 1998
Inventors
Legerius, …
Assg.orig
TELEFONAKT…
Assg.curr
Telefonakt…
Entity
unknown
Referenced by
0
References
2
Maint.:
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.
INVENTORS:

Legerius, Bengt E., Siebert, Hans W.

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
3815694,
4228705, Apr 30 1979 FANSTEEL INC , A CORP OF DELAWARE Tool holding device
ASSIGNMENT RECORDS    Assignment records on the USPTO
///
Executed onAssignorAssigneeConveyanceFrameReelDoc
Sep 15 1981LEGERIUS, BENGT E TELEFONAKTIEBOLAGET L M ERICSSON, A COMPANY OF THE KINGDOM OF SWEDENASSIGNMENT OF ASSIGNORS INTEREST 0039360487 pdf
Sep 15 1981SIEBERT, HANS W TELEFONAKTIEBOLAGET L M ERICSSON, A COMPANY OF THE KINGDOM OF SWEDENASSIGNMENT OF ASSIGNORS INTEREST 0039360487 pdf
Oct 14 1981Telefonaktiebolaget L M Ericsson(assignment on the face of the patent)
MAINTENANCE FEES AND DATES:    Maintenance records on the USPTO
n/a
Date Maintenance Fee Events


n/a
Date Maintenance Schedule