US PATENT SUBCLASS 135 / 152
.~.~.~.~ Means rotates on vertical axis

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}
143  DF  .~.~ Foldable {4}
151  DF  .~.~.~ Having supporting member with pivot means therein {3}
152.~.~.~.~ Means rotates on vertical axis

DEFINITION

Classification: 135/152

Means rotates on vertical axis:

(under subclass 151) Foldable framework with pivot in which the folding means moves the support members in a horizontal direction.