3641532

Information

• Patent Grant
• 3641532

• References
• Source

• Patent Number

  3,641,532

• Date Filed

  Not available

• Date Issued

  Tuesday, February 8, 1972
  52 years ago

• CPC

  • G08C19/48 - being the type with a three-phase stator and a rotor fed by constant-frequency ac
  • G01R31/343 - in operation

• US Classifications

  • 340 - Communications: electrical