1423958

Information

• Patent Grant
• 1423958

• References
• Source

• Patent Number

  1,423,958

• Date Filed

  Not available

• Date Issued

  Tuesday, July 25, 1922
  103 years ago

• CPC

  • H02K19/32 - for pole-changing

• US Classifications

  • 322 - Electricity: single generator systems
  • 310 - Electrical generator or motor structure
  • 318 - Electricity: motive power systems