3580856

Information

• Patent Grant
• 3580856

• References
• Source

• Patent Number

  3,580,856

• Date Filed

  Not available

• Date Issued

  Tuesday, May 25, 1971
  54 years ago

• CPC

  • H01K1/56 - characterised by the material of the getter

• US Classifications

  • 252 - Compositions
  • 445 - Electric lamp or space discharge component or device manufacturing