US PATENT SUBCLASS 220 / 581
HIGH-PRESSURE-GAS TANK

Current as of: June, 1999
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220 /   HD   RECEPTACLES

581HIGH-PRESSURE-GAS TANK {6}
582  DF  .~> With removable closure
583  DF  .~> With pierceable member
584  DF  .~> Having interconnected semi-spherical portions
585  DF  .~> Sequential container wall structure provides plural pressure differentials
586  DF  .~> Multilayer container {2}
592  DF  .~> With separate reinforcing element

DEFINITION

Classification: 220/581

HIGH-PRESSURE-GAS TANK:

(under the class definition) Receptacle comprising a container having structure for containing gas under a pressure which is well in excess of the ambient pressure surrounding the container.

(1) Note. The gas can be a liquefied gas.

SEE OR SEARCH THIS CLASS, SUBCLASS:

4.12+, for a sectional tank.

646+, for a receptacle of general utility having a separate reinforcing element.

669+, for a receptacle having a contoured sidewall for reinforcing.

SEE OR SEARCH CLASS

62, Refrigeration,

54.2, for an apparatus wherein a product of refrigeration in solid phase is transformed at a regulated rate into either a liquid or gaseous phase.

222, Dispensing,

3+, for a gas tank including a discharge or inlet valve or other dispensing feature.

376, Induced Nuclear Reactions: Processes, Systems, and Elements,

294+, for a nuclear reactor pressure vessel.