1994921

Information

• Patent Grant
• 1994921

• References
• Source

• Patent Number

  1,994,921

• Date Filed

  Not available

• Date Issued

  Tuesday, March 19, 1935
  89 years ago

• CPC

  • H01H71/26 - with windings acting in opposition

• US Classifications

  • 361 - Electricity: electrical systems and devices