US PATENT SUBCLASS 12 / 58.3
.~ Buttoning or unbuttoning

Current as of: June, 1999
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12 /   HD   BOOT AND SHOE MAKING

51  DF  UPPER MACHINES {11}
58.3.~ Buttoning or unbuttoning

DEFINITION

Classification: 12/58.3

(under subclass 51) Machines for inserting relatively small rounded fastening means on shoe uppers through apertures intended to receive the rounded head of such fastening means, for closing the uppers for lasting, or for releasing such fastening means from said apertures to open the uppers after lasting.