(under subclass 195.12) Device in which the additional seat includes an attaching means for permitting the additional seat to be detachably mounted or connected to a particular support structure or the straddle seat.
SEE OR SEARCH CLASS
280, Land Vehicles,
202, for wheeled land vehicles of occupant-propelled type in combination with a seat or carrier for carrying additional passengers or articles. See the main class definition of this class for the lines between Class 297 and Class 280.