US PATENT SUBCLASS 137 / 358
.~.~.~ Outside access to portions of the system

Current as of: June, 1999
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137 /   HD   FLUID HANDLING

343  DF  WITH CASING, SUPPORT, PROTECTOR OR STATIC CONSTRUCTIONAL INSTALLATIONS {7}
356  DF  .~ Static constructional installations {3}
357  DF  .~.~ Buildings {4}
358.~.~.~ Outside access to portions of the system

DEFINITION

Classification: 137/358

(under subclass 357) Apparatus in which the building has an external casing or pit connected to the building serving as a housing or a support for part or all of the fluent material device, and having an opening exterior of the building providing admittance to portions of the system.