US PATENT SUBCLASS 112 / 321
.~.~.~ Needle acts as feed means

Current as of: June, 1999
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112 /   HD   SEWING

154  DF  STITCH FORMING {17}
303  DF  .~ Feeding work material {13}
320  DF  .~.~ Engaging upper side of work material {1}
321.~.~.~ Needle acts as feed means

DEFINITION

Classification: 112/321

Needle acts as feed means:

(under subclass 320) Device wherein the stitch forming needle acts as the sole work advancing means.