US PATENT SUBCLASS 112 / 288
.~.~ Thread chain

Current as of: June, 1999
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112 /   HD   SEWING

270  DF  ELEMENTS {21}
285  DF  .~ Thread cutting, severing or breaking {11}
288.~.~ Thread chain

DEFINITION

Classification: 112/288

Thread chain:

(under subclass 285) Devices for parting the chain of thread which links adjacent articles or an article and the needle of the sewing machine.