US PATENT SUBCLASS 112 / 292
.~.~.~ Single cutter

Current as of: June, 1999
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112 /   HD   SEWING

270  DF  ELEMENTS {21}
285  DF  .~ Thread cutting, severing or breaking {11}
291  DF  .~.~ Upper and lower threads {1}
292.~.~.~ Single cutter

DEFINITION

Classification: 112/292

Single cutter:

(under subclass 291) Devices wherein both the upper and the lower threads are cut by a single blade or sharpened surface.