3872272

Information

• Patent Grant
• 3872272

• References
• Source

• Patent Number

  3,872,272

• Date Filed

  Not available

• Date Issued

  Tuesday, March 18, 1975
  49 years ago

• CPC

  • H01H33/882 - the movement being assisted by accelerating coils
  • H01H33/14 - Multiple main contacts for the purpose of dividing the current through, or potential drop along, the arc
  • H01H33/91 - the arc-extinguishing fluid being air or gas

• US Classifications

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