US PATENT SUBCLASS 305 / 191
.~.~ Grouser structure, per se

Current as of: June, 1999
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305 /   HD   WHEEL SUBSTITUTES FOR LAND VEHICLES

185  DF  TRACKS OR TREADS {14}
187  DF  .~ With detachable grouser for endless chain track {4}
191.~.~ Grouser structure, per se {1}
192  DF  .~.~.~> Specific material (e.g., hardness, welding, method of manufacture)

DEFINITION

Classification: 305/191

Grouser structure, per se:

(under subclass 187) Apparatus wherein the significance is attributed to the shape or components of the projecting cleat or shoe.

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53, for a one-piece track tread.

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301, Land Vehicles, Wheels and Axles,

44.3, and 44.4 for a traction increasing projecting cleat removably attached to a rim or to a wheel body. [figure] [caption]A - Grouser bar; B - Base of the bar; C - Bolt apertures; D - Forward planner service; E - Rearward planner service; F - Elongated track traction portion; G - Bearing surface; H - Curved edges; J - End surface