US PATENT SUBCLASS 196 / 130
.~.~ Bottoms

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

104  DF  VAPORIZING {22}
129  DF  .~ Depending legs or spur tubes {2}
130.~.~ Bottoms

DEFINITION

Classification: 196/130

(under subclass 104) Mineral-oil vaporizers that have bottoms of peculiar shape, construction, or position.