US PATENT SUBCLASS 400 / 408
.~ For bottom-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}
408.~ For bottom-strike typewriter {6}
409  DF  .~.~> Including simultaneous actuation of plural type-bars for simultaneous imprinting
410  DF  .~.~> With pivotally mounted platen carrier (e.g., for access, etc.)
411  DF  .~.~> Type-bar actuated by rack and gear
412  DF  .~.~> Including type-bar mounting arrangement
413  DF  .~.~> With type-face inker (e.g., ink-pad rest)
414  DF  .~.~> Including key or key-lever arrangement

DEFINITION

Classification: 400/408

For bottom-strike typewriter:

(under subclass 383) Subject matter wherein significance is attributed to a typewriter in which the 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 underneath part of the platen.

SEE OR SEARCH THIS CLASS, SUBCLASS:

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