US PATENT SUBCLASS 135 / 129
.~.~.~.~ Having guide rail means

Current as of: June, 1999
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135 /   HD   TENT, CANOPY, UMBRELLA, OR CANE

87  DF  PORTABLE SHELTER (I.E., TENT OR CANOPY) {18}
121  DF  .~ Framework {9}
124  DF  .~.~ Arch-shaped or dome type {4}
128  DF  .~.~.~ Collapsible {5}
129.~.~.~.~ Having guide rail means

DEFINITION

Classification: 135/129

Having guide rail means:

(under subclass 128) Collapsible arch-shaped or dome-type framework wherein the arched bows move along a track.