(under subclass 159) Apparatus wherein the significance is attributed to the shape or configuration of the traction plate, projection, socket, or cleat, which projects from the belt.
SEE OR SEARCH THIS CLASS, SUBCLASS:
53, for a one-piece track tread.
114, for a self-cleaning shoe, lug, or grouser structure.
191+, for a grouser structure.
198, for a link or shoe structure.
SEE OR SEARCH CLASS
152, Resilient Tires and Wheels, 211, for a embedded antiskid tread.
301, Land Vehicles: Wheels and Axles,
44.2, for a traction increasing projecting cleat made of a resilient material. [figure] [caption]A - Tread member; B - Metal support member; C - Mounting apertures; D, E, F - Composite molded polymeric material; G - Wear surface
