2237065

Information

• Patent Grant
• 2237065

• References
• Source

• Patent Number

  2,237,065

• Date Filed

  Not available

• Date Issued

  Tuesday, April 1, 1941
  84 years ago

• CPC

  • H01J29/16 - Incandescent screens
  • H01J29/481 - Electron guns using field-emission, photo-emission, or secondary-emission electron source

• US Classifications

  • 313 - Electric lamp and discharge devices
  • 065 - Glass manufacturing
  • 220 - Receptacles