1389701

Information

• Patent Grant
• 1389701

• References
• Source

• Patent Number

  1,389,701

• Date Filed

  Not available

• Date Issued

  Tuesday, September 6, 1921
  103 years ago

• CPC

  • F02N11/04 - the motors being associated with current generators
  • Y10T74/19177 - Input and output exchange functions

• US Classifications

  • 290 - Prime-mover dynamo plants
  • 074 - Machine element or mechanism