US PATENT SUBCLASS 72 / 309
.~.~ With coacting movable tool

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

293  DF  BY USE OF NON-DEFORMING WORK-GRIPPING CLAMP AND RELATIVELY MOVABLE CLAMP, TOOL OR WORK-FORCER {9}
308  DF  .~ Clamp is active metal-deforming element {2}
309.~.~ With coacting movable tool

DEFINITION

Classification: 72/309

With coacting movable tool:

(under subclass 308) Subject matter wherein the coacting work-engaging instrumentality also moves.

SEE OR SEARCH THIS CLASS, SUBCLASS:

381+, and 394+, for somewhat similar apparatus which lacks a nondeforming work-gripping clamp.