US PATENT SUBCLASS 135 / 86
.~.~ Yieldable material

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

65  DF  CANES, STICKS, CRUTCHES, AND WALKING AIDS {7}
77  DF  .~ Tips {5}
86.~.~ Yieldable material

DEFINITION

Classification: 135/86

(under subclass 77) Structure relating to the yieldable type of material used for the ground or floor contacting element.

(1) Note. This subclass also includes the means for connecting such an element to the shaft.