US PATENT SUBCLASS 72 / 339
.~.~ Pre-cutting


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

324  DF  WITH CUTTING {5}
338  DF  .~ Severing a discrete piece from stock, work, or product {1}
339.~.~ Pre-cutting


DEFINITION

Classification: 72/339

Precutting:

(under subclass 338) Subject matter wherein the severing precedes any metal-deforming operation.

(1) Note. In addition to "blanking", this subclass may include trimming or squaring of stock or of a rough blank, subdividing of a multiple blank, etc., by nonshearing or undisclosed means, where it is evident that the cut portions are not reduced to chips or shavings.

SEE OR SEARCH THIS CLASS, SUBCLASS:

329, and 330, for precutting (prior to metal-deforming) by a shear-type composite tool.

335+, for precutting by a shearing tool.