External gas exhaust passages located on the battery cover or case

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 for facilitating escape of gases > Gas exhaust passages comprising elongated, tortuous or labyrinth-shaped exhaust passages > External gas exhaust passages located on the battery cover or case

Classification Context

Section:

ELECTRICITY

Class:

ELECTRIC ELEMENTS

Subclass:

PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY