2808768

Information

• Patent Grant
• 2808768

• References
• Source

• Patent Number

  2,808,768

• Date Filed

  Not available

• Date Issued

  Tuesday, October 8, 1957
  67 years ago

• CPC

  • H01J31/50 - Image-conversion or image-amplification tubes
  • B41B19/01 - having electron-beam tubes producing an image of at least one character which is photographed
  • B41B19/04 - at the same place

• US Classifications

  • 396 - Photography
  • 250 - Radiant energy
  • 313 - Electric lamp and discharge devices
  • 347 - Incremental printing of symbolic information