1778832

Information

• Patent Grant
• 1778832

• References
• Source

• Patent Number

  1,778,832

• Date Filed

  Not available

• Date Issued

  Tuesday, October 21, 1930
  94 years ago

• CPC

  • H02K17/38 - with a commutator machine

• US Classifications

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