(under subclass 206) Subject matter including means to selectively convert nonelectrical energy into electrical energy.
(1) Note. Subject matter for supplying electrical energy which is excluded from this subclass includes, for example, storage batteries and capacitors merely switched into a circuit. Subject matter included in this subclass includes, for example, tribo-electric generators and thermal and deferred-action batteries.
SEE OR SEARCH CLASS
310, Electrical Generator or Motor Structure, appropriate subclasses for electrical generators, per se.
429, Chemistry: Electrical Current Producing Apparatus, Product, and Process,