DIFF Subgroup
H01M 50/60 Arrangements or processes for filling or topping-up with liquids; Arrangements or processes for draining liquids from casings
Introduced: January 2021
Full Title
Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells > Arrangements or processes for filling or topping-up with liquids; Arrangements or processes for draining liquids from casings
Of 4 combined children, 3 exist in both systems.
1 codes are CPC-only extensions.
IPC defines codes here since 2021.
Child Classifications
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- H01M 50/609 Arrangements or processes for filling with liquid, e.g. electrolytes since 2021 IPC+CPC Available in IPC and CPC
- H01M 50/673 Containers for storing liquids; Delivery conduits therefor since 2021 IPC+CPC Available in IPC and CPC
- H01M 50/691 Arrangements or processes for draining liquids from casings; Cleaning battery or cell casings since 2021 IPC+CPC Available in IPC and CPC