3627963

Information

• Patent Grant
• 3627963

• References
• Source

• Patent Number

  3,627,963

• Date Filed

  Not available

• Date Issued

  Tuesday, December 14, 1971
  52 years ago

• CPC

  • H01H33/6683 - by gettering
  • H01H1/0203 - specially adapted for vacuum switches

• US Classifications

  • 200 - Electricity: circuit makers and breakers
  • 419 - Powder metallurgy processes