1338825

Information

• Patent Grant
• 1338825

• References
• Source

• Patent Number

  1,338,825

• Date Filed

  Not available

• Date Issued

  Tuesday, May 4, 1920
  104 years ago

• CPC

  • H02P1/023 - Protection against sparking of contacts or sticking together

• US Classifications

  • 200 - Electricity: circuit makers and breakers