DIFF Main Group
F24D 19/00 Details (of water or air heaters F24H9/00; of heat-exchange or heat-transfer apparatus, of general application F28F)
Introduced: January 1980
Title
Titles differ between systems:
IPC: Details
CPC: Details (of water or air heaters F24H9/00; of heat-exchange or heat-transfer apparatus, of general application F28F)
Full Title
Full titles differ between systems:
IPC:
Details
CPC:
Details (of water or air heaters F24H9/00; of heat-exchange or heat-transfer apparatus, of general application F28F)
CPC subdivides this area 2x more granularly than IPC with 5 additional codes.
5 codes are CPC-only extensions.
2 shared codes have differing titles between IPC and CPC.
IPC defines codes here since 1980.
Child Classifications
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- F24D 19/02 Arrangement of mountings or supports for radiators since 1980 +3 CPC IPC+CPC Available in IPC and CPC
- F24D 19/06 Casings, cover lids or ornamental panels, for radiators since 1980 +6 CPC IPC+CPC Available in IPC and CPC
- F24D 19/08 Arrangements for drainage, venting or aerating (valves for venting or aerating F16K24/00) since 1980 +2 CPC IPC+CPC Available in IPC and CPC
- F24D 19/10 Arrangement or mounting of control or safety devices (only the heater being controlled F24H9/20) since 1980 +4 CPC IPC+CPC Available in IPC and CPC