1854820

Information

• Patent Grant
• 1854820

• References
• Source

• Patent Number

  1,854,820

• Date Filed

  Not available

• Date Issued

  Tuesday, April 19, 1932
  93 years ago

• CPC

  • H01H71/161 - with helically or spirally wound bimetal
  • G01R11/56 - Special tariff meters
  • G01R11/58 - Tariff-switching devices therefor
  • G07F15/00 - Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity

• US Classifications

  • 324 - Electricity: measuring and testing
  • 236 - Automatic temperature and humidity regulation