US PATENT SUBCLASS 72 / 31.02
.~ Trueness (e.g., devices for repairing, etc.)

Current as of: June, 1999
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72 /   HD   METAL DEFORMING

31.01  DF  WITH INDICATION OF CONDITION OR POSITION OF WORK, PRODUCT, OR MACHINE ELEMENT (E.G., BROKEN TOOL ALARM, ETC.) {6}
31.02.~ Trueness (e.g., devices for repairing, etc.) {1}
31.03  DF  .~.~> Elongate member straightening

DEFINITION

Classification: 72/31.02

Trueness (e.g., devices for repairing, etc.):

(under subclass 31.01) Subject matter wherein the information relates to a deviation of deformation of the work from its intended deformation by an operation of this class.