3440376

Information

• Patent Grant
• 3440376

• References
• Source

• Patent Number

  3,440,376

• Date Filed

  Not available

• Date Issued

  Tuesday, April 22, 1969
  55 years ago

• CPC

  • H01H33/004 - making use of superconducting contacts
  • H01H33/66 - Vacuum switches
  • Y10S505/882 - Circuit maker or breaker

• US Classifications

  • 218 - High-voltage switches with arc preventing or extinguishing devices
  • 174 - Electricity: conductors and insulators
  • 200 - Electricity: circuit makers and breakers
  • 313 - Electric lamp and discharge devices
  • 505 - Superconductor technology: apparatus, material, process