US PATENT SUBCLASS 112 / 453
.~.~.~ Having electronic 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.~.~.~ Having electronic memory {5}
454  DF  .~.~.~.~> Plural diverse patterns in series
455  DF  .~.~.~.~> Having computer control of linkage intermediate motor and needle or material feed
456  DF  .~.~.~.~> Including means to calculate needle or material feed parameters
457  DF  .~.~.~.~> Including programmable or detachable memory
458  DF  .~.~.~.~> Including pattern selection means

DEFINITION

Classification: 112/453

Having electronic memory:

(under subclass 443) Device including means to store information for later retrieval wherein the information stored has electrical or magnetic properties.

SEE OR SEARCH THIS CLASS, SUBCLASS:

445, for zigzag stitch forming mechanisms including indicator means and an electronic memory.

447, for zigzag stitch forming mechanisms adapted for sewing closed patterns (e.g., buttonholes) which include an electronic memory.

470.01+, for machines adapted for special work which are controlled by a prearranged pattern or program.