2159806

Information

• Patent Grant
• 2159806

• References
• Source

• Patent Number

  2,159,806

• Date Filed

  Not available

• Date Issued

  Tuesday, May 23, 1939
  85 years ago

• CPC

  • H01J5/20 - Seals between parts of vessels
  • H01J19/30 - characterised by the material
  • H01J2893/0021 - carbon
  • H01J2893/0037 - Solid sealing members other than lamp bases

• US Classifications

  • 313 - Electric lamp and discharge devices
  • 220 - Receptacles
  • 228 - Metal fusion bonding
  • 420 - Alloys or metallic compositions