3740511

Information

• Patent Grant
• 3740511

• References
• Source

• Patent Number

  3,740,511

• Date Filed

  Not available

• Date Issued

  Tuesday, June 19, 1973
  51 years ago

• CPC

  • H01H1/66 - Contacts sealed in an evacuated or gas-filled envelope
  • H01H9/04 - Dustproof, splashproof, drip-proof, waterproof, or flameproof casings
  • H01H2003/007 - the contacts being actuated by deformation of a flexible housing

• US Classifications

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