US PATENT SUBCLASS 400 / 393
.~.~ For top-strike or 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}
390  DF  .~ With end-thrust mechanism for type-bar {3}
393.~.~ For top-strike or bottom-strike typewriter

DEFINITION

Classification: 400/393

For top-strike or bottom-strike typewriter:

(under subclass 390) 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 or at a print-point located adjacent to an underneath part of the platen.