1698976

Information

• Patent Grant
• 1698976

• References
• Source

• Patent Number

  1,698,976

• Date Filed

  Not available

• Date Issued

  Tuesday, January 15, 1929
  96 years ago

• CPC

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

• US Classifications

  • 310 - Electrical generator or motor structure
  • 307 - Electrical transmission or interconnection systems
  • 363 - Electric power conversion systems