2857565

Information

• Patent Grant
• 2857565

• References
• Source

• Patent Number

  2,857,565

• Date Filed

  Not available

• Date Issued

  Tuesday, October 21, 1958
  66 years ago

• CPC

  • G05F1/247 - with motor in control circuit

• US Classifications

  • 323 - Electricity: power supply or regulation systems
  • 307 - Electrical transmission or interconnection systems
  • 322 - Electricity: single generator systems