2972025

Information

• Patent Grant
• 2972025

• References
• Source

• Patent Number

  2,972,025

• Date Filed

  Not available

• Date Issued

  Tuesday, February 14, 1961
  64 years ago

• CPC

  • H01H29/10 - by constricting the flow of the contact liquid

• US Classifications

  • 200 - Electricity: circuit makers and breakers