US PATENT SUBCLASS 135 / 68
.~ Crutches

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.~ Crutches {5}
69  DF  .~.~> Extensible
70  DF  .~.~> Remote control ground exchangeable tips
71  DF  .~.~> Arm engaging
72  DF  .~.~> Handholds
73  DF  .~.~> Armrests

DEFINITION

Classification: 135/68

(under subclass 65) Structure comprising shaft structure wherein the lower end engages the walking surface, the upper end engages the user at the armpit or arm above the wrist, and handhold structure is provided between the upper and lower ends.

(1) Note. This subclass includes crutch parts and also crutch accessories when claimed in combination therewith.