US PATENT SUBCLASS 400 / 627
.~.~ By pneumatic means

Current as of: June, 1999
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400 /   HD   TYPEWRITING MACHINES

578  DF  SHEET OR WEB (E.G., RECORD-MEDIUM FEEDING MECHANISM) {13}
624  DF  .~ For feeding sheet from stack or pack holder {5}
627.~.~ By pneumatic means

DEFINITION

Classification: 400/627

By pneumatic means:

(under subclass 624) Subject matter wherein the typewriter is provided with means for moving the sheet of record-medium*, which means includes a gaseous fluid medium under subatmospheric or above-atmospheric pressure.

SEE OR SEARCH CLASS

271, Sheet Feeding or Delivering,

90+, for a pneumatic sheet feeding means not associated with a typewriter.