US PATENT SUBCLASS 152 / 310
.~.~ Casing enclosed core


Current as of: June, 1999
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152 /   HD   RESILIENT TIRES AND WHEELS

151  DF  TIRES, RESILIENT {14}
246  DF  .~ Cushion {4}
310.~.~ Casing enclosed core {1}
311  DF  .~.~.~> Separate core {1}


DEFINITION

Classification: 152/310

The cushion tire consists of a casing enclosing a core. Where the core is integral with the casing the two must be distinct by reason of differing materials or arrangement.

(1) Note. For integral cushion tires with no distinct core, see this class, subclass 323.

SEE OR SEARCH CLASS

156, Adhesive Bonding and Miscellaneous Chemical Manufacture,

appropriate subclasses for laminating in general, and see especially

112, and 404 for the lines between the various classes with regard to processes and apparatus for filling tires.