US PATENT SUBCLASS 112 / 54
.~.~ Lock stitch

Current as of: June, 1999
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112 /   HD   SEWING

2  DF  SPECIAL MACHINES {38}
28  DF  .~ Leather sewing {16}
54.~.~ Lock stitch

DEFINITION

Classification: 112/54

Lock-stitch machines.

(1) Note. For a further definition of lock- stitch, see this class, subclass 154.