PTO Wrapper PDF
Dossier Espace Google
Patent
   D287249
Priority
Sep 14 1982
Filed
Mar 02 1983
Issued
Dec 16 1986
Expiry
Dec 16 2000
Inventors
Lindhe , P…
Assg.orig
TELEFONAKT…
Assg.curr
Telefonakt…
Entity
unknown
Referenced by
7
References
0
Maint.:
n/a
The ornamental design for a keyboard, as shown.

FIG. 1 is a front perspective view of a "keyboard" showing my new design;

FIG. 2 is a rear perspective view of the "keyboard", and

FIG. 3 is a side elevational view thereof.
INVENTORS:

Lindhe , Per O. R.

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
D302977, Nov 18 1986 Nortel Networks Limited Keyboard key arrangement
D306288, Feb 09 1988 Sun Microsystems, Inc. Keyboard
D308360, Feb 13 1987 IBM INFORMATION PRODUCTS CORPORATION, 55 RAILROAD AVENUE, GREENWICH, CT 06830 A CORP OF DE Information entry keyboard or the like
D311384, Apr 14 1989 Northgate Computer Systems, Inc. Keyboard
D311524, Apr 14 1989 Northgate Computer Systems, Inc. Keyboard
D314205, Aug 24 1988 Harmonitronix, Inc. Splittable typist keyboard
D319631, Mar 18 1988 Datalux Corporation Miniature keyboard
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
ASSIGNMENT RECORDS    Assignment records on the USPTO
//
Executed onAssignorAssigneeConveyanceFrameReelDoc
Feb 20 1983LINDHE, PER O R TELEFONAKTIEBOLAGET L M ERICSSON A COMPANY OF SWEDENASSIGNMENT OF ASSIGNORS INTEREST 0041030656 pdf
Mar 02 1983Telefonaktiebolaget LM 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