US PATENT SUBCLASS 200 / 61.22
.~ Pneumatic tire inflation responsive

Current as of: June, 1999
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200 /   HD   ELECTRICITY: CIRCUIT MAKERS AND BREAKERS

52 R  DF  SPECIAL APPLICATION {25}
61.22.~ Pneumatic tire inflation responsive {3}
61.23  DF  .~.~> Casing deformation feeler
61.24  DF  .~.~> Ground engaging feeler
61.25  DF  .~.~> Fluid pressure actuated {1}

DEFINITION

Classification: 200/61.22

(under subclass 52) Circuit makers and breakers associated with a pneumatic tire for a vehicle in use, whose actuation is controlled by means responsive to an increase and/or decrease above or below a normal operating pressure range of the air or other gas used to maintain the tire in its inflated condition.

SEE OR SEARCH THIS CLASS, SUBCLASS:

61.45+, for circuit controllers actuated in response to the tilting of a vehicle when a tire becomes deflated.

SEE OR SEARCH CLASS

73, Measuring and Testing,

146.2, for a fluid pressure gauge combined with a vehicle wheel, tire or tire stem.

116, Signals and Indicators, 34, for mechanical signals, indicators or alarms associated with tires and responsive to pressure conditions therein.

137, Fluid Handling,

224+, for pressure sensitive switches utilized to control the pressure within the tire and see the search notes thereto.

340, Communications: Electrical,

442+, for electric signals automatically actuated by a change in the pressure within pneumatic tires.