3890479

Information

• Patent Grant
• 3890479

• References
• Source

• Patent Number

  3,890,479

• Date Filed

  Not available

• Date Issued

  Tuesday, June 17, 1975
  48 years ago

• CPC

  • H01H33/83 - wherein the contacts are opened by the flow of air or gas
  • H01H33/285 - using electro-dynamic repulsion

• US Classifications

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