1337942

Information

• Patent Grant
• 1337942

• References
• Source

• Patent Number

  1,337,942

• Date Filed

  Not available

• Date Issued

  Tuesday, April 20, 1920
  104 years ago

• CPC

  • G05F1/335 - on different cores
  • G05F1/32 - using magnetic devices having a controllable degree of saturation as final control devices

• US Classifications

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