US PATENT SUBCLASS 72 / 356
.~.~ With additional metal-deforming


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

343  DF  BY USE OF CLOSED-DIE AND COACTING WORK-FORCER (E.G., PUSH-DRAWING) {3}
352  DF  .~ Forcing work into or within closed die; e.g., forging {6}
356.~.~ With additional metal-deforming


DEFINITION

Classification: 72/356

With additional metal deforming:

(under subclass 352) Subject matter which comprises or utilizes a second set of organized instrumentalities capable of effecting an operation of the class type.

(1) Note. A device classified in this subclass consists of apparatus of subclass 352 type, combined in any manner and to any degree with similar apparatus or with apparatus classifiable, per se, in a lower subclass but falling short of qualifying as a tool complex* for subclasses 353.2+ above.

SEE OR SEARCH THIS CLASS, SUBCLASS:

348+, for deep drawing with additional metal deformation.

404+, for plural metal-deforming apparatus of types not provided for in preceding subclasses.