US PATENT SUBCLASS 196 / 110
.~ Tubular

Current as of: June, 1999
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196 /   HD   MINERAL OILS: APPARATUS

104  DF  VAPORIZING {22}
110.~ Tubular

DEFINITION

Classification: 196/110

(under subclass 104) Vaporizers, for mineral-oil distillation that are tubular and usually of comparatively small cross section.

SEE OR SEARCH THIS CLASS, SUBCLASS:

107, for tube and drum type of vaporizer.