US PATENT SUBCLASS 219 / 51
.~ Chain

Current as of: June, 1999
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219 /   HD   ELECTRIC HEATING

50  DF  METAL HEATING (E.G., RESISTANCE HEATING) {19}
51.~ Chain {1}
52  DF  .~.~> Methods

DEFINITION

Classification: 219/51

(under subclass 50) Subject matter relating to the manufacture of chain link.

SEE OR SEARCH CLASS

59, Chain, Staple, and Horseshoe Making,

1+, and the search notes thereto, for miscellaneous chain making, not involving significant electric heating.