US PATENT SUBCLASS 234 / 64
.~.~ Processed work as pattern for following work

Current as of: June, 1999
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234 /   HD   SELECTIVE CUTTING (E.G., PUNCHING)

59  DF  WITH MEANS TO INITIATE TOOL SELECTION BY SENSING PATTERN INDICIA OR CONFIGURED MACHINE ELEMENT {11}
63  DF  .~ Pattern indicia carried by work {1}
64.~.~ Processed work as pattern for following work

DEFINITION

Classification: 234/64

(under subclass 63) Device wherein said sensing means is so arranged as to act upon a product which has been previously subjected to cutting operations in the device.

(1) Note. In the card punching art, the use of a newly-processed card as a pattern for the following card is commonly referred to as "gang-punching".