3548135

Information

• Patent Grant
• 3548135

• References
• Source

• Patent Number

  3,548,135

• Date Filed

  Not available

• Date Issued

  Tuesday, December 15, 1970
  54 years ago

• CPC

  • H01H1/04 - Co-operating contacts of different material
  • C22C1/0466 - Alloys based on noble metals
  • C22C5/06 - Alloys based on silver
  • H01H1/0203 - specially adapted for vacuum switches
  • H01H2001/0205 - Conditioning of the contact material through arcing during manufacturing

• US Classifications

  • 218 - High-voltage switches with arc preventing or extinguishing devices
  • 075 - Specialized metallurgical processes, compositions for use therein, consolidated metal powder compositions, and loose metal particulate mixtures
  • 200 - Electricity: circuit makers and breakers
  • 420 - Alloys or metallic compositions