US PATENT SUBCLASS 244 / 3
.~ Trains
Current as of: June, 1999
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DEFINITION
Classification: 244/3
(under subclass 2) Compound aeronautical machines comprising two or more complete machines of the same or different types, arranged in tandem, and attached together so that one may tow or propel the others, or arranged to cooperate to provide sustentation and propulsion.
SEE OR SEARCH CLASS
40, Card, Picture, or Sign Exhibiting,
215, for devices for attaching signs to aircraft so that they
may be towed thereby.
105, Railway Rolling Stock,
1.4+, for railway trains. 180, Motor Vehicles,
14.1+, for motor vehicle trains.
280, Land Vehicles,
400+, for miscellaneous vehicle trains, these subclasses having draft devices, per se, even though disclosed solely for towing one aircraft from another.
