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Patent
   D251434
Priority
Jun 15 1977
Filed
Jun 15 1977
Issued
Mar 27 1979
Expiry
Mar 27 1993
Inventors
Di Benedet…
Assg.orig
TRW Inc.
Assg.curr
TRW Inc.
Entity
unknown
Referenced by
2
References
1
Maint.:
n/a
The ornamental design for a keyboard, substantially as shown.

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

FIG. 2 is a top plan view thereof;

FIG. 3 is a left side elevation view thereof; and

FIG. 4 is a rear elevational view thereof.
INVENTORS:

Di Benedetto, Luigi

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
D266845, Dec 28 1979 Oki Electric Industry Co., Ltd. Dialing pad for a car telephone set
D529535, Jun 07 2004 Kabushiki Kaisha Hiromori Calculator with clock
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
220132,
ASSIGNMENT RECORDS    Assignment records on the USPTO
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jun 15 1977TRW Inc.(assignment on the face of the patent)
MAINTENANCE FEES AND DATES:    Maintenance records on the USPTO
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