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Patent
   D339800
Priority
Feb 21 1991
Filed
Feb 21 1991
Issued
Sep 28 1993
Expiry
Sep 28 2007
Inventors
Louis, Wil…
Assg.orig
TypeRight …
Assg.curr
TypeRight …
Entity
unknown
Referenced by
16
References
7
Maint.:
n/a
The ornamental design for a keyboard for an information system terminal, as shown and described.

FIG. 1 is a top front side perspective view of a keyboard for an information system terminal;

FIG. 2 is a top plan view of the keyboard for an information system terminal of FIG. 1 on an enlarged scale to illustrate the lettering on individual keys; and,

FIG. 3 is an enlarged front elevational view of the keyboard for an information system terminal of FIG. 1, the undisclosed side and rear elevational views are similar in appearance to the side and front elevational views shown.
INVENTORS:

Louis, William M.

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
6443643, May 19 1992 Metamorfyx Ergonomic keyboard
6467979, May 19 1992 Metamorfyx Ergonomic keyboard
6840690, May 19 1992 Metamorfyx Ergonomic keyboard
7507043, May 19 1992 Metamorfyx Ergonomic keyboard
D346376, Apr 01 1992 Marquardt GmbH Keyboard
D348877, Aug 04 1992 Maximum comfort keyboard
D354279, Feb 16 1993 Keyboard
D357011, Jun 25 1993 STRATOS PRODUCT DEVELOPMENT GROUP, INC ; Microsoft Corporation Keyboard
D357476, Jun 25 1993 Microsoft Corporation Keyboard
D357911, Feb 16 1993 Microsoft Corporation Computer keyboard
D361562, Jan 12 1993 Renaissance Research Incorporated Keyboard housing
D364868, Nov 22 1994 Amy, Yeh Telephone
D381016, Jun 25 1993 Microsoft Corporation Palm rest portion for a keyboard
D387340, Jul 10 1995 Ergonomic keyboard
D413319, Feb 26 1998 WILLOW DESIGN, INC Keyboard with integrated graphic tablet and wristrests
D894184, May 18 2018 COMPAL INFORMATION (KUNSHAN) CO., LTD Keyboard
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
4483634, Dec 19 1980 ALCATEL N V , DE LAIRESSESTRAAT 153, 1075 HK AMSTERDAM, THE NETHERLANDS, A CORP OF THE NETHERLANDS Keyboard arrangement
4597681, Dec 15 1983 Adjustable keyboard
5059048, Oct 17 1989 Keyboard for use with one hand having curvilinear and linear rows of keys
5073050, Jun 12 1990 Ergonomic keyboard apparatus
5119078, Mar 31 1987 Microsoft Corporation Computer work station with mnemonic keyboard
D307748, Oct 07 1987 American Telephone & Telegraph Company; AT&T Information Systems Keyboard
D323817, Jul 18 1989 Krone AG Computer terminal with ergonomic alphanumeric keyboard
ASSIGNMENT RECORDS    Assignment records on the USPTO
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Feb 21 1991TypeRight Keyboard Corporation(assignment on the face of the patent)
Jun 06 1991LOUIS, WILLIAM M SAMPSON, HORACE N ASSIGNMENT OF 1 2 OF ASSIGNORS INTEREST0057430799 pdf
Nov 13 1991TypeRight Keyboard CorporationFOUNTAIN HILLS SYSTEMS, INC LICENSE0071430913 pdf
Nov 13 1991TypeRight Keyboard CorporationMARSH AVIATIONLICENSE SEE DOCUMENT FOR DETAILS 0071450867 pdf
Jun 09 1993LOUIS, WILLIAM M TypeRight Keyboard CorporationASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0065850636 pdf
Jun 14 1993SAMPSON, HORACE N TypeRight Keyboard CorporationASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0065850636 pdf
MAINTENANCE FEES AND DATES:    Maintenance records on the USPTO
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