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Patent
   D255452
Priority
Aug 22 1977
Filed
Aug 22 1977
Issued
Jun 17 1980
Expiry
Jun 17 1994
Inventors
Piotrowski…
Assg.orig
Cincinnati…
Assg.curr
Cincinnati…
Entity
unknown
Referenced by
0
References
6
Maint.:
n/a
The ornamental design for a toolchanger arm, as shown and described.

FIG. 1 is a front elevational view of a toolchanger arm showing my new design.

FIG. 2 is a side elevational view taken from the right of FIG. 1.

FIG. 3 is a perspective view thereof.

The rear of the toolchanger arm is conventional and unornamented.
INVENTORS:

Piotrowski, Tadeusz W.

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
3355797,
3422724,
3616526,
3964616, Sep 29 1975 Cincinnati Milacron, Inc. Machine tool interchange arm
4126233, Mar 03 1977 Kearney & Trecker Corporation Tool transfer mechanism for machine tools
234625,
ASSIGNMENT RECORDS    Assignment records on the USPTO
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Aug 22 1977Cincinnati Milacron Inc.(assignment on the face of the patent)
MAINTENANCE FEES AND DATES:    Maintenance records on the USPTO
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