3474445

Information

• Patent Grant
• 3474445

• References
• Source

• Patent Number

  3,474,445

• Date Filed

  Not available

• Date Issued

  Tuesday, October 21, 1969
  55 years ago

• CPC

  • H01J29/892 - using fibre optics
  • G01S7/06 - Cathode-ray tube displays or other two-dimensional or three-dimensional displays
  • G01S13/538 - eliminating objects that have not moved between successive antenna scans
  • Y10S348/902 - Photochromic

• US Classifications

  • 342 - Communications: directive radio wave systems and devices
  • 313 - Electric lamp and discharge devices
  • 348 - Television