IPC Subgroup
H01M 4/04 Processes of manufacture in general
Introduced: July 1974
Last revised: January 2006
Full Title
Electrodes > Electrodes composed of, or comprising, active material > Processes of manufacture in general
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC ELEMENTS
- Subclass:
- PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY