U.S. Design Patent 275,285 (USD275285S)

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Provided by the ASK Keyboard Patents database

A patent diagram depicting IBM's housing for a tabletop computer from a front-left perspective

Applied 4th February 1980

Published 28th August 1984

Expired 28th August 1998

More informaion

Name	Housing for a tabletop computer
Inventors	Tommy R. Hardy
Assignees	IBM
Description	An ornamental design depicting the IBM 5322 System/23 Datamaster with its Model F based keyboard assembly. This is the earliest depiction of a Model F family keyboard despite some minor differences to the production version.

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