US PATENT SUBCLASS 156 / 253
.~.~.~.~ Subsequent to assembly of laminae

Current as of: June, 1999
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156 /   HD   ADHESIVE BONDING AND MISCELLANEOUS CHEMICAL MANUFACTURE

1  DF  METHODS {7}
60  DF  .~ Surface bonding and/or assembly therefor {93}
250  DF  .~.~ With cutting, punching, tearing or severing {8}
252  DF  .~.~.~ Perforating lamina {1}
253.~.~.~.~ Subsequent to assembly of laminae

DEFINITION

Classification: 156/253

(under subclass 252) Processes in which the laminae are assembled prior to the perforating operation.