(under subclass 415.1) Devices in which at least one of the vehicles is convertible from a four- wheel to a two-wheel vehicle.
(1) Note. This subclass includes vehicles which are intended for use as four wheel vehicles only when used independently, but are converted to two wheel vehicles when connected with other vehicles.
SEE OR SEARCH THIS CLASS, SUBCLASS:
402, for normally four wheeled vehicles which have the forward wheels lifted from the ground for transport purposes.
