(under subclass 1) Blanks for use in chain making or processes thereunder employed in chain making or link formation.
(1) Note. Patents having claims both to the chain or link as an article and also to the blank or process will be found in the appropriate subclasses (59/78) under the head of CHAINS.
(2) Note. Blanks and processes relating to the manufacture of sprocket chains are classified in subclass 8, and those relating to the manufacture of weldless chains in subclass 12 of this class.
SEE OR SEARCH CLASS
29, Metal Working,
592+, for miscellaneous processes of mechanical manufacture not elsewhere provided for, and including assembly by mechanical jointure.
72, Metal Deforming, any appropriate subclass preceding
362, for a process there provided for, and subclasses 362+ for a residual process.
228, Metal Fusion Bonding,
101+, for metallurgical bonding in general and subclass 192 for bonding in the manufacture of a chain link.