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PCE
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DIFF Subgroup
H01T 4/16

having a plurality of gaps arranged in series

Introduced: January 1985

Full Title

Full titles differ between systems:

IPC:

Overvoltage arresters using spark gaps > having a plurality of gaps arranged in series

CPC:

Overvoltage arresters using spark gaps (H01T2/00 takes precedence; overvoltage protection circuits using spark gaps H02H9/06) > having a plurality of gaps arranged in series

IPC and CPC are identically structured here. All 2 subcodes exist in both systems.

IPC defines codes here since 1985.

Child Classifications

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  • H01T 4/18 Arrangements for reducing height of stacked spark gaps since 1985 IPC+CPC Available in IPC and CPC
  • H01T 4/20 Arrangements for improving potential distribution since 1985 IPC+CPC Available in IPC and CPC