US PATENT SUBCLASS 52 / 127.4
.~.~ Opening or passageway for flowable material


Current as of: June, 1999
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52 /   HD   STATIC STRUCTURES (E.G., BUILDINGS)

127.1  DF  WITH ADJUNCTIVE MEANS FOR ASSEMBLY OR DISASSEMBLY {4}
127.3  DF  .~ Having component positioning means or control means for flowable material {1}
127.4.~.~ Opening or passageway for flowable material


DEFINITION

Classification: 52/127.4

Opening or passageway for flowable material:

(under subclass 127.3) Structure wherein the adjunctive means provides an ingress for the fluent material to enter into the component of the static structure.