US PATENT SUBCLASS 112 / 457
.~.~.~.~ Including programmable or detachable memory

Current as of: June, 1999
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112 /   HD   SEWING

154  DF  STITCH FORMING {17}
157  DF  .~ Zigzag {3}
443  DF  .~.~ Vibrating needle {9}
453  DF  .~.~.~ Having electronic memory {5}
457.~.~.~.~ Including programmable or detachable memory

DEFINITION

Classification: 112/457

Including programmable or detachable memory:

(under subclass 453) Device wherein (1) the information storage means contains stored information which is alterable by a human attendant or (2) the information storage means is specified as being physically exchangeable, by a human attendant, for another information storage means.