1561017

Information

• Patent Grant
• 1561017

• References
• Source

• Patent Number

  1,561,017

• Date Filed

  Not available

• Date Issued

  Tuesday, November 10, 1925
  99 years ago

• CPC

  • H02P1/38 - by pole-changing

• US Classifications

  • 318 - Electricity: motive power systems