US PATENT SUBCLASS 280 / 832
.~ Insulated tank walls

Current as of: June, 1999
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280 /   HD   LAND VEHICLES

830  DF  TANK OR BOILER {9}
832.~ Insulated tank walls

DEFINITION

Classification: 280/832

Insulated tank walls:

(under subclass 830) Vehicles wherein the tank walls have special provisions to deter the passage of heat through the walls by interposition of an appropriate insulator.