DIFF Subgroup
A42B 3/04 Parts, details or accessories of helmets
Introduced: January 1990
Full Title
Full titles differ between systems:
IPC:
Helmets; Helmet covers > Parts, details or accessories of helmets
CPC:
Helmets; Helmet covers ( defence protection helmets F41H1/04) > Parts, details or accessories of helmets
Of 9 combined children, 7 exist in both systems.
2 codes are CPC-only extensions.
2 shared codes have differing titles between IPC and CPC.
IPC defines codes here since 1990.
Child Classifications
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- A42B 3/06 Impact-absorbing shells, e.g. of crash helmets since 1990 +6 CPC IPC+CPC Available in IPC and CPC
- A42B 3/08 Chin straps or similar retention devices since 1990 +1 CPC IPC+CPC Available in IPC and CPC
- A42B 3/28 Ventilating arrangements (A42B3/24 takes precedence) since 1990 +4 CPC IPC+CPC Available in IPC and CPC
- A42B 3/30 Mounting radio sets or communication systems since 1990 +2 CPC IPC+CPC Available in IPC and CPC