US PATENT SUBCLASS 55 / 488
.~.~ Variation in shape or size

Current as of: June, 1999
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55 /   HD   GAS SEPARATION

482  DF  TWO OR MORE SEPARATORS (E.G., SPACED FILTERS IN FLOW LINE OR CASING) {5}
486  DF  .~ Plies or layers of different characteristics or orientation {3}
488.~.~ Variation in shape or size

DEFINITION

Classification: 55/488

(under subclass 486) Apparatus in which the unlike characteristic pertains to the configuration, outline or dimension of the members.