3736439

Information

• Patent Grant
• 3736439

• References
• Source

• Patent Number

  3,736,439

• Date Filed

  Not available

• Date Issued

  Tuesday, May 29, 1973
  51 years ago

• CPC

  • H02H3/021 - concerning the disconnection itself
  • H01H33/004 - making use of superconducting contacts
  • H01H33/161 - Variable impedances
  • H01H33/285 - using electro-dynamic repulsion
  • H02H9/02 - responsive to excess current
  • H01H2033/163 - using PTC elements
  • Y10T307/918 - Preliminary reduction in current or voltage of system

• US Classifications

  • 307 - Electrical transmission or interconnection systems
  • 361 - Electricity: electrical systems and devices