3617863

Information

• Patent Grant
• 3617863

• References
• Source

• Patent Number

  3,617,863

• Date Filed

  Not available

• Date Issued

  Tuesday, November 2, 1971
  53 years ago

• CPC

  • G08C19/48 - being the type with a three-phase stator and a rotor fed by constant-frequency ac

• US Classifications

  • 323 - Electricity: power supply or regulation systems
  • 324 - Electricity: measuring and testing
  • 340 - Communications: electrical