US PATENT SUBCLASS 112 / 470.31
.~ For sewing plural workpieces under tension

Current as of: June, 1999
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112 /   HD   SEWING

2  DF  SPECIAL MACHINES {38}
470.31.~ For sewing plural workpieces under tension {1}
470.32  DF  .~.~> Differential feed of plural workpieces

DEFINITION

Classification: 112/470.31

For sewing plural workpieces under tension:

(under subclass 2) Device wherein the sewing machine is especially configured to sew together multiple workpieces and includes a device to apply tension to at least one of the workpieces being sewn.