2972337

Information

• Patent Grant
• 2972337

• References
• Source

• Patent Number

  2,972,337

• Date Filed

  Not available

• Date Issued

  Tuesday, February 21, 1961
  63 years ago

• CPC

  • H01H33/34 - hydraulic
  • H01H2033/308 - comprising control and pilot valves

• US Classifications

  • 091 - Motors: expansible chamber type
  • 092 - Expansible chamber devices
  • 200 - Electricity: circuit makers and breakers