Combinations not coming within the terms of the following subclasses of combined devices in which an internal-combustion engine, is disclosed and claimed in combination with some other device not in itself classifiable in some appropriate subclass of internal-combustion engines and which combined device itself is not treated as a unitary machine in the general system of Office classification and as such classified in some appropriate class.
SEE OR SEARCH CLASS
290, Prime-Mover Dynamo Plants, for the combination of internal combustion engines and dynamoelectric machines.
368, Horology: Time Measuring Systems or Devices,
5, for an horological device acted upon by an internal combustion engine.