US PATENT SUBCLASS 202 / 248
.~.~.~.~ Coke-oven type

Current as of: June, 1999
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202 /   HD   DISTILLATION: APPARATUS

81  DF  APPARATUS {4}
239  DF  .~ Elements {10}
242  DF  .~.~ Closures {5}
247  DF  .~.~.~ Horizontal retort {2}
248.~.~.~.~ Coke-oven type

DEFINITION

Classification: 202/248

Doors and devices for handling them when claimed in combination, which close the horizontal retorts of coke ovens.

SEE OR SEARCH CLASS

110, Furnaces,

173, 175, 176, and 177.

122, Liquid Heaters and Vaporizers,

498,.

126, Stoves and Furnaces,

191, and 192.