1499918

Information

• Patent Grant
• 1499918

• References
• Source

• Patent Number

  1,499,918

• Date Filed

  Not available

• Date Issued

  Tuesday, July 1, 1924
  100 years ago

• CPC

  • H02K47/22 - Single-armature frequency converters with or without phase-number conversion

• US Classifications

  • 363 - Electric power conversion systems
  • 307 - Electrical transmission or interconnection systems
  • 318 - Electricity: motive power systems