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Patent
   D255105
Priority
Dec 08 1977
Filed
Apr 10 1978
Issued
May 27 1980
Expiry
May 27 1994
Inventors
Perjo, Pek…
Assg.orig
Kone Osake…
Assg.curr
Kone Osake…
Entity
unknown
Referenced by
3
References
3
Maint.:
n/a
The ornamental design for an up and down directional signal for an elevator, substantially as shown and described.

FIG. 1 is a front perspective view of an up and down directional signal for an elevator showing my new design, and

FIG. 2 is a rear perspective view thereof.
INVENTORS:

Perjo, Pekka

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
D317136, May 08 1989 Otis Elevator Company Hall location direction panel for elevators
D317137, May 12 1989 Otis Elevator Company Hall location direction panel for elevators
D317138, Jun 19 1989 Otis Elevator Company Hall location direction panel for elevators
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
1517133,
1819247,
GB213989,
ASSIGNMENT RECORDS    Assignment records on the USPTO
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Apr 10 1978Kone Osakeyhtio(assignment on the face of the patent)
MAINTENANCE FEES AND DATES:    Maintenance records on the USPTO
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