2189558

Information

• Patent Grant
• 2189558

• References
• Source

• Patent Number

  2,189,558

• Date Filed

  Not available

• Date Issued

  Tuesday, February 6, 1940
  84 years ago

• CPC

  • H03J1/20 - the auxiliary power being switched on as long as controlling current is switched on
  • Y10T477/34 - Reversible engine

• US Classifications

  • 074 - Machine element or mechanism
  • 192 - Clutches and power-stop control
  • 455 - Telecommunications
  • 477 - Interrelated power delivery controls, including engine control