US PATENT SUBCLASS 79 / 2
SHANK BUTTONS
Current as of: June, 1999
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DEFINITION
Classification: 79/2
Machines and processes for making shank- buttons from sheet metal, leather, and compositions, including glass, papiermache, etc., which form the button-head and also form and secure a shank or eye to the button-head.
(1) Note. Machines for forming the shank merely are also classified in this subclass, inasmuch as they are usually, but fragments of the button-making machines.
(2) Note. Machines that merely mold buttons are classified in the appropriate molding or casting according to the
material used.
SEE OR SEARCH CLASS
65, Glass Manufacturing, appropriate subclasses, especially
47+, for a process of forming glass in a mold cavity combined with fusion bonding to a preform, subclasses 152+ for glass molding or shaping apparatus combined with fusion bonding means, and subclass 166 for glassworking apparatus including a perforator.
425, Plastic Article or Earthenware Shaping or Treating: Apparatus,
117+, for means molding plastic button-heads upon preformed backs or shanks and subclass 801 for a cross-reference digest on button makers.
