US PATENT SUBCLASS 135 / 69
.~.~ Extensible

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}
68  DF  .~ Crutches {5}
69.~.~ Extensible

DEFINITION

Classification: 135/69

(under subclass 68) Crutches wherein the length of the staff between the arm engaging portion and the ground engaging portion being adjustable to accommodate the device to persons of different heights.