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Patent
   D249513
Priority
Nov 15 1976
Filed
Nov 15 1976
Issued
Sep 19 1978
Expiry
Sep 19 1992
Inventors
Zierhut, C…
Assg.orig
Mohawk Dat…
Assg.curr
NATIONSBAN…
Entity
unknown
Referenced by
8
References
2
Maint.:
n/a
The ornamental design for a keyboard, as shown and described.

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

FIG. 2 is a side view of the keyboard on an enlarged scale embodying my design.
INVENTORS:

Zierhut, Clarence D.

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
D272831, Jan 22 1982 Brother Kogyo Kabushiki Kaisha Typewriter
D278709, Nov 02 1982 CROMEMCO INC A CORP OF CA Keyboard for a computer system
D279901, Mar 23 1983 Honeywell Information Systems Inc. Low profile keyboard or similar article
D281689, Jun 10 1982 LaFrance Corporation Keyboard housing
D282745, Jul 18 1983 TIE/Communications, Inc. Direct station selection console
D294499, Apr 08 1986 Nitsuko Limited Inter-call device for telephone sets
D313402, Jun 30 1988 NEXT SOFTWARE, INC Keyboard for a computer
D414479, Jun 25 1998 Computer keyboard
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
3810167,
226198,
ASSIGNMENT RECORDS    Assignment records on the USPTO
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Nov 15 1976Mohawk Data Sciences Corp.(assignment on the face of the patent)
May 02 1986MOHAWK SYSTEMS CORPORATIONMOMENTUM SYSTEMS CORPORATIONCHANGE OF NAME SEE DOCUMENT FOR DETAILS 0045960879 pdf
May 02 1986MOHAWK DATA SCIENCES CORP , A NY CORPMOHAWK SYSTEMS CORPORATION, A DE CORPASSIGNMENT OF ASSIGNORS INTEREST 0045960913 pdf
Sep 01 1988MONMENTUM SYSTEMS CORPORATIONFIRST NATIONAL BANK OF BOSTON, THE, 100 FEDERAL STREET, BOSTON, MA 02110, A NATIONAL BANKING ASSOCIATIONASSIGNMENT OF ASSIGNORS INTEREST 0051420446 pdf
May 21 1992MOMENTUM SYSTEMS CORPORATION, A CORP OF DEDECISION DATA INC , A CORP OF DECHANGE OF NAME SEE DOCUMENT FOR DETAILS 0066730857 pdf
Oct 20 1995FIRST NATIONAL BANK OF BOSTON, AS AGENTNATIONSBANK OF TEXAS, N A , AS AGENTASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0078460256 pdf
MAINTENANCE FEES AND DATES:    Maintenance records on the USPTO
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