Keyboard Patents

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A gallery of patents that describe technologies or illustrate designs relating to IBM and family keyboards, typewriters and keypunches. This includes keyswitch/actuator designs, ornamental designs (overall appearance), integrated pointing devices such as TrackPoints, and host systems such as PCs, laptops, terminals, consoles and electronic typewriters. All illustrations provided are from the patents themselves, which are believed to be within the public domain. A total of 145 patents have been recorded. The patent list is currently filtered to 4 patent(s).

U.S. Design Patent 290,256 (USD290256S)

A patent drawing of IBM's Portable computer from a front-right perspective

Applied 17 Jan 1986

Published 9 Jun 1987

Expired 9 Jun 2001

Google

Name	Portable computer
Inventors	Richard F. Sapper
Assignees	IBM
Description	An ornamental design depicting an IBM 5140 PC Convertible and its integrated keyboard assembly using Alps SKCM "Brown" and SKCL Compact keyswitches.

U.S. Design Patent 348,443 (USD348443S)

A patent drawing of Lenovo's Personal computer from a front-right perspective

Priority 16 Oct 1991

Applied 10 Apr 1992

Published 5 Jul 1994

Expired 5 Jul 2008

Google

Name	Portable computer housing
Inventors	Richard F. Sapper, Hisashi Shima, Kazuhiko Yamazaki
Assignees	Lenovo (Singapore)
Description	An ornamental design depicting an IBM 8554 Personal System/2 CL57 SX laptop computer and its integrated Type 1 Model M6 keyboard assembly.

U.S. Design Patent 372,465 (USD372465S)

A patent drawing depicting Lenovo's Personal computer with extended keyboard from a front-right perspective

Applied 9 Jun 1995

Published 6 Aug 1996

Expired 6 Aug 2010

Google

Name	Personal computer with extended keyboard
Inventors	John P. Karidis, Samuel A. Lucente, II, Robert P. Tennant, Lawrence A. Stone, Michael L. King, Martin T. Tucker, Gerard McVicker, Richard F. Sapper
Assignees	Lenovo (Singapore)
Description	An ornamental design depicting an IBM 2630 ThinkPad 701C series subnotebook computer and its Key Tronic-made TrackWrite keyboard assembly.

U.S. Design Patent 372,471 (USD372471S)

A patent drawing of Lenovo's Keyboard from a front-left perspective

Applied 9 Jun 1995

Published 6 Aug 1996

Expired 6 Aug 2010

Google

Name	Keyboard
Inventors	John P. Karidis, Samuel A. Lucente, II, Robert P. Tennant, Richard F. Sapper, Lawrence A. Stone, Gerard McVicker
Assignees	Lenovo (Singapore)
Description	An ornamental design depicting an IBM TrackWrite Keyboard Assembly for IBM ThinkPad 701C-series subnotebook computers.