US PATENT SUBCLASS 280 / 47.2
.~.~.~ With auxiliary wheel stabilizing means

Current as of: June, 1999
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280 /   HD   LAND VEHICLES

29  DF  WHEELED {21}
47.131  DF  .~ Tiltable vehicles, stabilized by attendant or article {6}
47.17  DF  .~.~ Handle-propelled vehicles {8}
47.2.~.~.~ With auxiliary wheel stabilizing means

DEFINITION

Classification: 280/47.2

(under subclass 47.17) Vehicles provided with auxiliary wheel means so positioned or mounted as to be selectively brought into ground engagement to render the vehicle stable.

SEE OR SEARCH THIS CLASS, SUBCLASS:

5.32, for stair or other obstruction climbing vehicles having fulcrums with wheel means about which the vehicle may be tilted.

47.16, for vehicles tiltable to either side of an intermediate wheel axis to selectively bring into ground engagement auxiliary stabilizing wheel means at either end.

767, for other auxiliary wheels for vehicles.