External keyboard for use with a portable information terminal

Typewriting machines – Means auxiliary to typewriting function – Attachment for shielding or screening record-medium or...

Reexamination Certificate

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Details

C400S472000, C235S00100C

Reexamination Certificate

active

06984086

ABSTRACT:
A portable keyboard includes a selected number of standard-size keys in a reduced size housing having a removable cover that both protects the keyboard during transit and can be removed and used to support the portable keyboard in selected positions to aid in its use. The reduced size housing and standard-size keys are configured, sized, dimensioned to be operated with a minimum number of errors and to be stored in a portable computer carrying case when not in use.

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patent: 6648534 (2003-11-01), Chen
patent: 2003/0000857 (2003-01-01), Jones
patent: 2000330701 (2000-11-01), None

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