US PATENT SUBCLASS 359 / 531
.~.~.~ Mounted on roadway

Current as of: June, 1999
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359 /   HD   OPTICS: SYSTEMS (INCLUDING COMMUNICATION) AND ELEMENTS

515  DF  SIGNAL REFLECTOR {11}
529  DF  .~ 3-Corner retroreflective (i.e., cube corner, trihedral, or triple reflector type) {1}
530  DF  .~.~ Unitary plate or sheet comprising plural reflecting elements {3}
531.~.~.~ Mounted on roadway

DEFINITION

Classification: 359/531

Mounted on roadway:

(under subclass 530) Subject matter wherein the reflector is positioned onto the vehicle road surface in order to enable easier viewing of that portion of the roadway.

(1) Note. A reflector sign, having a unitary plate of 3-corner reflectors, permanently fastened to a road surface would belong in this subclass but the same reflector counterbalanced within a recess in the roadway - ordinarily up and visible but capable of retraction into the recess when contacted by the vehicle wheel - is classified in Class 404.

SEE OR SEARCH THIS CLASS, SUBCLASS:

514, for signal reflector sealing from moisture or foreign particle.

547, for a unitary mass of discrete reflecting elements mounted on or adjacent the roadway.

551, for a broad reflector mounted on the roadway.

SEE OR SEARCH CLASS

40, Card, Picture, or Sign Exhibiting, 612, for highway or street marker.

180, Motor Vehicles,

168, having controlling apparatus adapted to interact with stationary apparatus which describes the course of the vehicle's travel.

404, Road Structure, Process, or Apparatus,

9+, for traffic director where the reflector is not permanently fixed to the road surface.