US PATENT SUBCLASS 340 / 673
.~.~ Article transport

Current as of: June, 1999
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340 /   HD   COMMUNICATIONS: ELECTRICAL

500  DF  CONDITION RESPONSIVE INDICATING SYSTEM {6}
540  DF  .~ Specific condition {18}
673.~.~ Article transport {3}
674  DF  .~.~.~> Discrete articles
675  DF  .~.~.~> Web, film, or strip {1}
677  DF  .~.~.~> Strand

DEFINITION

Classification: 340/673

Article transport:

(under subclass 540) Subject matter where the condition is of an object moving along a constrained path.

SEE OR SEARCH THIS CLASS, SUBCLASS:

933+, for traffic detection and signalling systems.

SEE OR SEARCH CLASS

198, Conveyors: Power-Driven,

340, for signalling means at a station along a conveyor path; and subclass 502.01 for a conveyor or load alarm or indicator.