3773992

Information

• Patent Grant
• 3773992

• References
• Source

• Patent Number

  3,773,992

• Date Filed

  Not available

• Date Issued

  Tuesday, November 20, 1973
  51 years ago

• CPC

  • H01H9/342 - Venting arrangements for arc chutes
  • H01H71/025 - Constructional details of housings or casings not concerning the mounting or assembly of the different internal parts
  • H01H71/0271 - Mounting several complete assembled circuit breakers together
  • H01H71/2454 - characterised by the magnetic circuit or active magnetic elements
  • H01H71/2481 - characterised by the coil design

• US Classifications

  • 218 - High-voltage switches with arc preventing or extinguishing devices