US PATENT SUBCLASS 16 / 87.6 R
.~.~.~ With antifriction means

Current as of: June, 1999
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16 /   HD   MISCELLANEOUS HARDWARE

87 R  DF  PANEL HANGERS, TRAVELERS AND/OR TRACKS {13}
87.2  DF  .~ With flexible panel attaching means {2}
87.4 R  DF  .~.~ Covered, hollow or slotted track {2}
87.6 R.~.~.~ With antifriction means {1}
87.6 W  DF  .~.~.~.~> Wood track

Unofficial Alpha Subclasses: R W

DEFINITION

Classification: 16/87.6

(under subclass 87.4) Devices in which antifriction means is used between the traveler and the track.

SEE OR SEARCH THIS CLASS, SUBCLASS:

88, 89 and 97+, for traveler elements, per se, equipped with either balls, rollers or wheels.

SEE OR SEARCH CLASS

104, Railways,

93, for suspended railways of the single rail type. 105, Railway Rolling Stock,

150, for suspended railway rolling stock of the single rail type.

160, Flexible or Portable Closure, Partition, or Panel,

19, and 346 for hollow or slotted track with antifriction means, combined with closures, etc.