US PATENT SUBCLASS 270 / 52.1
.~.~ Webs of different material (e.g., paper and carbon)

Current as of: June, 1999
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270 /   HD   SHEET-MATERIAL ASSOCIATING

52.01  DF  ASSOCIATING OR DISASSOCIATING {11}
52.07  DF  .~ Web associating {3}
52.1.~.~ Webs of different material (e.g., paper and carbon)

DEFINITION

Classification: 270/52.1

Webs of different material (e.g., paper and carbon):

(under subclass 52.07) Subject matter including at least two webs each having a distinct characteristic (e.g., one web is a plain paper and the other web is treated with a carbon compound).