Details

Introduced: September 1968

IPC and CPC are identically structured here. All 13 subcodes exist in both systems.

2 shared codes have differing titles between IPC and CPC.

Child Classifications

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H01K 1/02 Incandescent bodies IPC+CPC Available in IPC and CPC
H01K 1/18 Mountings or supports for the incandescent body IPC+CPC Available in IPC and CPC
H01K 1/26 Screens; Filters (associated with envelope H01K1/28) IPC+CPC Available in IPC and CPC
H01K 1/28 Envelopes; Vessels IPC+CPC Available in IPC and CPC
H01K 1/36 Seals between parts of vessel, e.g. between stem and envelope IPC+CPC Available in IPC and CPC
H01K 1/38 Seals for leading-in conductors IPC+CPC Available in IPC and CPC
H01K 1/40 Leading-in conductors IPC+CPC Available in IPC and CPC
H01K 1/42 Means forming part of the lamp for the purpose of providing electrical connection, or support for, the lamp IPC+CPC Available in IPC and CPC
H01K 1/50 Selection of substances for gas fillings; Specified pressure thereof IPC+CPC Available in IPC and CPC
H01K 1/52 Means for obtaining or maintaining the desired pressure within the vessel IPC+CPC Available in IPC and CPC
H01K 1/58 Cooling arrangements IPC+CPC Available in IPC and CPC
H01K 1/60 Means structurally associated with the lamp for indicating defects or previous use IPC+CPC Available in IPC and CPC
H01K 1/62 One or more circuit elements structurally associated with the lamp +1 CPC IPC+CPC Available in IPC and CPC