US PATENT SUBCLASS 400 / 528
.~.~ Holder attached via detachable arms at ends of platen

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

521  DF  FOR TYPING ON CARD IN CARD HOLDER {11}
525  DF  .~ Card holder carrier by platen {5}
528.~.~ Holder attached via detachable arms at ends of platen

DEFINITION

Classification: 400/528

Holder attached via detachable arms at ends of platen:

(under subclass 525) Subject matter wherein the retaining means is supported by the platen* by way of members that are located at opposite extremities of the platen, which members are removable from and replaceable on the platen.