Typewriting machines – Means auxiliary to typewriting function – Attachment for shielding or screening record-medium or...
Patent
1991-03-12
1992-03-17
Eickholt, Eugene H.
Typewriting machines
Means auxiliary to typewriting function
Attachment for shielding or screening record-medium or...
400496, 312208, 312292, 312271, 312140, 235145R, 2003021, 200303, 200304, 200333, 434227, 434229, B41J 1162
Patent
active
050963171
ABSTRACT:
A cover apparatus including a transparent housing overlying a computer keyboard, wherein the cover apparatus includes a plurality of forward and rear side walls defining rows of openings, wherein each row of openings is arranged overlying rows of computer keys. The openings are provided with cover housings to selectively cover individual or the plurality of keys, wherein each of the plurality of keys of the computer keyboard is positioned within the openings to provide selective covering thereof to minimize inadvertent pressing of such keys in usage of the keyboard.
REFERENCES:
patent: 1203570 (1916-11-01), Beaubien
patent: 4060163 (1977-11-01), Willingham
patent: 4119839 (1978-10-01), Beckmann et al.
patent: 4294557 (1981-10-01), Blanchard
patent: 4449763 (1984-05-01), Barnett
patent: 4671688 (1987-06-01), Brashears
patent: 4893954 (1990-01-01), Kotur
Eickholt Eugene H.
Gilden Leon
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