US PATENT SUBCLASS 101 / 371
.~ Mail-cancelling stamps

Current as of: June, 1999
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101 /   HD   PRINTING

368  DF  PRINTING MEMBERS {19}
371.~ Mail-cancelling stamps

DEFINITION

Classification: 101/371

(under subclass 368) Devices peculiarly adapted for disfiguring postage-stamps without mutilating the material thereof.