US PATENT SUBCLASS 198 / 821
.~.~.~.~ Formed of or including a continuous member of sheet-like material (e.g., canvas, etc.)

Current as of: June, 1999
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198 /   HD   CONVEYORS: POWER-DRIVEN

618  DF  CONVEYOR SECTION {26}
804  DF  .~ Endless conveyor {14}
818  DF  .~.~ Having upwardly facing trough configuration in transverse direction on conveying reach {3}
820  DF  .~.~.~ Having preformed trough shape {2}
821.~.~.~.~ Formed of or including a continuous member of sheet-like material (e.g., canvas, etc.)

DEFINITION

Classification: 198/821

(under subclass 820) Apparatus wherein the belt consists of, or includes as part of its structure, a loop of sheet-like material.