2857999

Information

• Patent Grant
• 2857999

• References
• Source

• Patent Number

  2,857,999

• Date Filed

  Not available

• Date Issued

  Tuesday, October 28, 1958
  66 years ago

• CPC

  • H01F29/04 - having provision for tap-changing without interrupting the load current
  • Y10T74/19028 - Alternate input connections single hand crank

• US Classifications

  • 192 - Clutches and power-stop control
  • 074 - Machine element or mechanism