1932808

Information

• Patent Grant
• 1932808

• References
• Source

• Patent Number

  1,932,808

• Date Filed

  Not available

• Date Issued

  Tuesday, October 31, 1933
  90 years ago

• CPC

  • H01H71/685 - in which the excitation of the electromagnet is interrupted by abnormal conditions

• US Classifications

  • 361 - Electricity: electrical systems and devices