US PATENT SUBCLASS 400 / 455
.~.~ Including metallic material

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}
454  DF  .~ Type-bar rest or rest support {1}
455.~.~ Including metallic material

DEFINITION

Classification: 400/455

Including metallic material:

(under subclass 454) Subject matter wherein significance is attributed to said portion of said structure being fabricated of metal.