1790275

Information

• Patent Grant
• 1790275

• References
• Source

• Patent Number

  1,790,275

• Date Filed

  Not available

• Date Issued

  Tuesday, January 27, 1931
  93 years ago

• CPC

  • H01H1/20 - Bridging contacts
  • H01H2001/2091 - having two pivotally and electrically connected halve bridges

• US Classifications

  • 218 - High-voltage switches with arc preventing or extinguishing devices
  • 200 - Electricity: circuit makers and breakers
  • 451 - Abrading