2162477

Information

• Patent Grant
• 2162477

• References
• Source

• Patent Number

  2,162,477

• Date Filed

  Not available

• Date Issued

  Tuesday, June 13, 1939
  85 years ago

• CPC

  • H01J13/28 - Selection of substances for gas filling Means for obtaining the desired pressure within the tube
  • C03C27/02 - by fusing glass directly to metal
  • H01J13/26 - Seals between parts of vessels Seals for leading-in conductors Leading-in conductors
  • H01J19/62 - Leading-in conductors

• US Classifications

  • 174 - Electricity: conductors and insulators
  • 219 - Electric heating
  • 228 - Metal fusion bonding