3472640

Information

• Patent Grant
• 3472640

• References
• Source

• Patent Number

  3,472,640

• Date Filed

  Not available

• Date Issued

  Tuesday, October 14, 1969
  55 years ago

• CPC

  • H01J9/263 - specially adapted for cathode-ray tubes
  • H01J5/20 - Seals between parts of vessels
  • H01J2893/0037 - Solid sealing members other than lamp bases

• US Classifications

  • 065 - Glass manufacturing
  • 220 - Receptacles