US PATENT SUBCLASS 220 / FOR 141
.~ Intermediate fluent mass layer (e.g., powder, loose hair, particles, etc.) (220/429)

Current as of: June, 1999
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220 /   HD   RECEPTACLES

FOR 127  DF  MULTILAYER BARRIER STRUCTURE (220/415) {23}
FOR 141.~ Intermediate fluent mass layer (e.g., powder, loose hair, particles, etc.) (220/429)

DEFINITION

Classification: 220/FOR.141

Intermediate fluent mass layer (e.g., powder, loose hair, particles, etc.):

Foreign art collections including a container wherein particles, flakes, granules (or other material capable of relatively free flow) form at least one stratum within a multilayer barrier.