US PATENT SUBCLASS 72 / 409.19
.~.~ Work comprises tube

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

407  DF  WITH MEANS TO ACTUATE BOTH ELEMENTS OF TOOL-COUPLE {2}
409.01  DF  .~ Handle actuated (e.g., plier type, etc.) {12}
409.19.~.~ Work comprises tube

DEFINITION

Classification: 72/409.19

Work comprises tube:

(under subclass 409.01) Subject matter wherein the work comprises a hollow elongate cylinder.