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
Introduced: September 1968
Full Title
Full titles differ between systems:
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 > 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
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 > 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
No child classifications to compare. This is a leaf node in both IPC and CPC.