US PATENT SUBCLASS 152 / 515
.~.~.~ Positive casing closure

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

151  DF  TIRES, RESILIENT {14}
450  DF  .~ Pneumatic tire or inner tube {23}
514  DF  .~.~ Means other than rim closing the tire opening {1}
515.~.~.~ Positive casing closure

DEFINITION

Classification: 152/515

Positive casing closure:

(under subclass 514) Subject matter wherein the pneumatic tire casing closure is actuated either by response to the inflated pressure in the tire or by the use of means actuated by hand and said closure performs its function whether the tire is on or off the rim.

SEE OR SEARCH THIS CLASS, SUBCLASS:

372, for pneumatic tire bandages which may extend from rim flange to rim flange and are secured in place by mechanical means.