SCHLUMBERGER

Class [9]
Computer & Software Products & Electrical & Scientific Products

Energy management apparatus and instruments, watthour standards, meter sockets and casings, meter test benches, time switches, capacitor controls, voltage regulators, regulated power supply circuits and rectifiers, fault and disturbance recording and monitoring apparatus, energy metering, surveying and billing devices, multitariff meters, registers, graphic meters, power and energy electricity meters, thermal demand meters, load control apparatus, demand registers, meter registers, meter and register programmers and computers and computer software for use therewith, translation apparatus, instruments and computers and computer software for use therewith, surveying and billing recorders, data retrieval portable devices all for use in energy management; remote meter reading and remote control apparatus, signal generating and transmitting apparatus and stations and signal receiver relays, time switches, laboratory and portable meter testing apparatus, appliance monitoring apparatus, and coin-freed apparatus; central meter reading apparatus, meter interface units for reading gas, water and electric meters over cable or telephone lines; parts and fittings for all the aforesaid goods; all included in Class 9.