(under subclass 40) Subject matter in which one or more of the component parts of the dynamoelectric device are fabricated or powdered or sintered metal particles.
SEE OR SEARCH CLASS
75, Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose
Metal Particulate Mixtures,
228+, for sintered metal powder compositions, such as those resulting from a process provided for in Class 419, Powder Metallurgy Processes and subclasses 255+ for metal containing powders.
419, Powder Metallurgy Processes, appropriate subclasses for processes of making articles by pressing and/or sintering metal particles.