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Patent
   D254484
Priority
Dec 08 1977
Filed
Apr 10 1978
Issued
Mar 18 1980
Expiry
Mar 18 1994
Inventors
Perjo, Pek…
Assg.orig
Kone Osake…
Assg.curr
Kone Osake…
Entity
unknown
Referenced by
9
References
1
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
5889241, Jun 10 1997 Inventio AG Indicating device for elevators
D283685, Dec 03 1984 Inventio AG Elevator hall call panel
D283686, Jun 08 1984 Inventio AG Hall indicator panel for elevators
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
D425738, Jan 19 1998 Face plate for a toilet tissue holder
D789074, Sep 30 2013 Shedrain Corporation Button for a handle
D890010, May 30 2017 Mitsubishi Electric Corporation Elevator indicator
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
1517133,
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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