DIFF Subgroup
H01T 4/10 having a single gap or a plurality of gaps in parallel
Introduced: January 1985
Full Title
Full titles differ between systems:
IPC:
Overvoltage arresters using spark gaps > having a single gap or a plurality of gaps in parallel
CPC:
Overvoltage arresters using spark gaps (H01T2/00 takes precedence; overvoltage protection circuits using spark gaps H02H9/06) > having a single gap or a plurality of gaps in parallel
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 1985.
Child Classifications
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- H01T 4/14 Arcing horns (associated with insulators H01B17/46) since 1985 IPC+CPC Available in IPC and CPC