US PATENT SUBCLASS 16 / 87.4 R
.~.~ Covered, hollow or slotted track

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.~.~ Covered, hollow or slotted track {2}
87.6 R  DF  .~.~.~> With antifriction means {1}
87.4 W  DF  .~.~.~> Wood track

Unofficial Alpha Subclasses: R W

DEFINITION

Classification: 16/87.4

(under subclass 87.2) Devices wherein the track (1) has a shield or protecting hood covering the same, or (2) is an elongated element, longitudinally slotted or hollow, in which the traveler portion moves, and from which the panel or panel carrying portion extends to the exterior of the hollow or slotted elongated element.

SEE OR SEARCH THIS CLASS, SUBCLASS:

94, for track elements with their supporting brackets.

96, for the track element, per se.

SEE OR SEARCH CLASS

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

19, and 345 for other hollow or slotted track combined with closures etc.