DIFF Main Group
G08B 21/00 Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
Introduced: September 1968
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
1 shared codes have differing titles between IPC and CPC.
IPC defines codes here since 2000.
Child Classifications
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- G08B 21/02 Alarms for ensuring the safety of persons since 2000 +2 CPC IPC+CPC Available in IPC and CPC
- G08B 21/18 Status alarms (G08B21/02 takes precedence) since 2000 +3 CPC IPC+CPC Available in IPC and CPC