US PATENT SUBCLASS 400 / 415
.~ For top-strike typewriter

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

383  DF  TYPE-BAR-ACTION MECHANISM OR TYPE-FACE ON TYPE-BAR OR TYPE-FACE INKER {19}
415.~ For top-strike typewriter {6}
416  DF  .~.~> Including type-bars pivoted on both sides of, or above and across, platen axis
417  DF  .~.~> With type-face inker (e.g., ink pad, roller, etc.)
418  DF  .~.~> Type-bar pivoted by gear connection
419  DF  .~.~> Type-member or type-bar pivoted and rotatable (e.g., for selection of type face)
420  DF  .~.~> Type-bar pivoted by push link
421  DF  .~.~> Type-bar pivoted by cam

DEFINITION

Classification: 400/415

For top-strike typewriter:

(under subclass 383) Subject matter wherein significance is attributed to a typewriter in which type-face* elements impact against the platen* (and thereby impact against a record-medium* that is backed by the platen) at a print-point* located adjacent to an uppermost part of the platen.

SEE OR SEARCH THIS CLASS, SUBCLASS:

33, for a type-bar* action in a flat-platen typewriter.