DIFF Subgroup
G01D 4/12 Apparatus for indicating or recording progressive maximum
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Tariff metering apparatus > Maximum indicating or recording apparatus, i.e. where the tariff for a period is based on a maximum demand within that period > Apparatus for indicating or recording progressive maximum
CPC:
Tariff metering apparatus (in taximeters G07B13/00; apparatus actuated by coins, cards or the like with meter-controlled dispensing of liquid, gas, or electricity G07F15/00) > Maximum indicating or recording apparatus, i.e. where the tariff for a period is based on a maximum demand within that period > Apparatus for indicating or recording progressive maximum
No child classifications to compare. This is a leaf node in both IPC and CPC.