3842227

Information

• Patent Grant
• 3842227

• References
• Source

• Patent Number

  3,842,227

• Date Filed

  Not available

• Date Issued

  Tuesday, October 15, 1974
  50 years ago

• CPC

  • H01H33/60 - Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
  • H01H33/53 - Cases Reservoirs, tanks, piping or valves, for arc-extinguishing fluid Accessories therefor
  • H01H33/90 - this movement being effected by or in conjunction with the contact-operating mechanism
  • H01H2033/912 - Liquified gases

• US Classifications

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