DIFF Subgroup
G01D 4/10 Maximum indicating or recording apparatus, i.e. where the tariff for a period is based on a maximum demand within that period
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
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
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
Child Classifications
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- G01D 4/12 Apparatus for indicating or recording progressive maximum IPC+CPC Available in IPC and CPC
- G01D 4/14 Fixed-demand indicating or recording apparatus, i.e. where indication is made when a predetermined quantity has been consumed during a time interval greater or less than a predetermined time interval IPC+CPC Available in IPC and CPC