1869566

Information

• Patent Grant
• 1869566

• References
• Source

• Patent Number

  1,869,566

• Date Filed

  Not available

• Date Issued

  Tuesday, August 2, 1932
  92 years ago

• CPC

  • H01J1/20 - Cathodes heated indirectly by an electric current Cathodes heated by electron or ion bombardment
  • C04B37/026 - consisting of metals or metal salts
  • H01J19/30 - characterised by the material
  • C04B2237/123 - based on iron group metals
  • C04B2237/124 - based on copper
  • C04B2237/363 - Carbon
  • C04B2237/403 - Refractory metals
  • C04B2237/72 - Forming laminates or joined articles comprising at least two interlayers directly next to each other
  • H01J2893/0021 - carbon

• US Classifications

  • 313 - Electric lamp and discharge devices
  • 228 - Metal fusion bonding
  • 439 - Electrical connectors