US PATENT SUBCLASS 137 / 884
.~.~ Sectional block structure

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

561 R  DF  SYSTEMS {32}
861  DF  .~ With flow control means for branched passages {8}
884.~.~ Sectional block structure

DEFINITION

Classification: 137/884

Sectional block structure:

(under subclass 861) System wherein the flow passages are formed in modular pieces facilitating assembly or disassembly of the array.

SEE OR SEARCH THIS CLASS, SUBCLASS:

269+, for valves convertible by reassembling or by adding or omitting a part.