615954

Information

• Patent Grant
• 615954

• References
• Source

• Patent Number

  615,954

• Date Filed

  Not available

• Date Issued

  Tuesday, December 13, 1898
  126 years ago

• CPC

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

• US Classifications

  • 363 - Electric power conversion systems
  • 318 - Electricity: motive power systems