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Patent
   D572253
Priority
Dec 13 1996
Filed
Nov 28 2007
Issued
Jul 01 2008
Expiry
Jul 01 2022
Inventors
Paul, Bijoy
Assg.orig
Cantor Fit…
Assg.curr
Cantor Fit…
Entity
unknown
Referenced by
1
References
6
Maint.:
n/a
The ornamental design for a keyboard, as shown and described.

The FIGURE is a perspective view of the keyboard according to the design. The broken lines are shown for illustrative purposes only and form no part of the claimed design.
INVENTORS:

Paul, Bijoy, Fraser, Stuart A., Lutnick, Howard

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
D577024, Dec 13 1996 Cantor Fitzgerald, L.P. CFPH, LLC Keyboard
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
5905974, Dec 13 1996 CANTOR FITZGERALD, L P CFLP ; CFPH, L L C CFPH Automated auction protocol processor
6560580, Dec 13 1996 CANTOR FITZGERALD, L P ; CFPH, LLC Automated auction protocol processor
D347629, Sep 23 1991 NCR Corporation Keyboard
D538282, Nov 18 2005 ESPEED, INC Trading keyboard
D550223, Mar 08 2005 BGC Partners, Inc Trading keyboard
D550670, Mar 08 2005 BGC Partners, Inc Trading keyboard
ASSIGNMENT RECORDS    Assignment records on the USPTO
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Nov 28 2007Cantor Fitzgerald, L.P. CFPH, LLC(assignment on the face of the patent)
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