2493423

Information

• Patent Grant
• 2493423

• References
• Source

• Patent Number

  2,493,423

• Date Filed

  Not available

• Date Issued

  Tuesday, January 3, 1950
  75 years ago

• CPC

  • H01J23/05 - having a cylindrical emissive surface
  • H01J25/587 - Multi-cavity magnetrons
  • Y10S29/062 - Rubbing transfer of solid coating to rotating element

• US Classifications

  • 315 - Electric lamp and discharge devices: systems
  • 029 - Metal working
  • 313 - Electric lamp and discharge devices