2121586

Information

• Patent Grant
• 2121586

• References
• Source

• Patent Number

  2,121,586

• Date Filed

  Not available

• Date Issued

  Tuesday, June 21, 1938
  86 years ago

• CPC

  • H02P25/186 - whereby the speed is regulated by using a periodic interrupter
  • Y10T307/937 - Switch actuation

• US Classifications

  • 318 - Electricity: motive power systems
  • 307 - Electrical transmission or interconnection systems