IPC Subgroup
H01M 4/74 Meshes or woven material; Expanded metal
Introduced: July 1974
Last revised: January 2006
Full Title
Electrodes > Electrodes composed of, or comprising, active material > Carriers or collectors > characterised by shape or form > Grids > Meshes or woven material; Expanded metal
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC ELEMENTS
- Subclass:
- PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY