US PATENT SUBCLASS 196 / 133
.~ Special features of construction

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

104  DF  VAPORIZING {22}
133.~ Special features of construction

DEFINITION

Classification: 196/133

(under subclass 104) Mineral-oil vaporizers having some special feature of construction not otherwise provided for.

SEE OR SEARCH CLASS

52, Static Structures (e.g., Buildings),

192, for an in situ constructed type container or hopper, per se, having a material port.