1275967

Information

• Patent Grant
• 1275967

• References
• Source

• Patent Number

  1,275,967

• Date Filed

  Not available

• Date Issued

  Tuesday, August 13, 1918
  106 years ago

• CPC

  • H02K47/22 - Single-armature frequency converters with or without phase-number conversion
  • H02M1/4216 - operating from a three-phase input voltage

• US Classifications

  • 363 - Electric power conversion systems