3307063

Information

• Patent Grant
• 3307063

• References
• Source

• Patent Number

  3,307,063

• Date Filed

  Not available

• Date Issued

  Tuesday, February 28, 1967
  57 years ago

• CPC

  • H01J19/30 - characterised by the material
  • H01J2893/0021 - carbon

• US Classifications

  • 313 - Electric lamp and discharge devices