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Patent
   D580937
Priority
Dec 13 1996
Filed
Feb 19 2008
Issued
Nov 18 2008
Expiry
Nov 18 2022
Inventors
Lutnick, H…
Assg.orig
CFPH
Cantor Fit…
Assg.curr
CFPH
Cantor Fit…
Entity
unknown
Referenced by
0
References
6
Maint.:
n/a
The ornamental design for a keyboard, as shown and described.

FIG. 1 is a perspective view of the keyboard according to the design; the broken line disclosure is shown for environment only and forms no part of the claimed design.
INVENTORS:

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

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
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
Feb 19 2008CFPH(assignment on the face of the patent)
Feb 19 2008Cantor Fitzgerald, L.P.(assignment on the face of the patent)
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