2178081

Information

• Patent Grant
• 2178081

• References
• Source

• Patent Number

  2,178,081

• Date Filed

  Not available

• Date Issued

  Tuesday, October 31, 1939
  86 years ago

• CPC

  • H01J29/435 - with a matrix of conductors traversing the target
  • H01J29/43 - using photo-emissive mosaic

• US Classifications

  • 313 - Electric lamp and discharge devices
  • 427 - Coating processes