PTO Wrapper PDF
Dossier Espace Google
Patent
   D255667
Priority
Dec 08 1977
Filed
Apr 10 1978
Issued
Jul 01 1980
Expiry
Jul 01 1994
Inventors
Perjo, Pek…
Assg.orig
Kone Osake…
Assg.curr
Kone Osake…
Entity
unknown
Referenced by
9
References
3
Maint.:
n/a
The ornamental design for a push button for an elevator, substantially as shown and described.

FIG. 1 is a front perspective view of a push button 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
D415707, Sep 13 1996 Crown Equipment Corporation Push button for controlling a lift on a personnel carrying vehicle
D740762, May 07 2014 AVI-ON Labs, LLC Wall switch
D780737, Sep 14 2015 PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD. Telephone handset
D803219, Jun 08 2016 Humanscale Corporation Docking station
D806657, Oct 16 2015 LOGITECH EUROPE S A Wireless button
D856942, Dec 12 2017 HANGZHOU LIANLUO INTERACTIVE INFORMATION TECHNOLOGY CO., LTD. Smart sprinkler controller
D954698, Mar 07 2016 Apple Inc. Electronic device
ER1398,
ER3820,
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
2532228,
3699294,
3899648,
ASSIGNMENT RECORDS    Assignment records on the USPTO
/
Executed onAssignorAssigneeConveyanceFrameReelDoc
Apr 10 1978Kone Osakeyhtio(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