3548236

Information

• Patent Grant
• 3548236

• References
• Source

• Patent Number

  3,548,236

• Date Filed

  Not available

• Date Issued

  Tuesday, December 15, 1970
  54 years ago

• CPC

  • G03C1/725 - containing inorganic compounds
  • C09K9/00 - Tenebrescent materials
  • H01J29/14 - acting by discoloration
  • H01J31/122 - Direct viewing storage tubes without storage grid
  • Y10S348/902 - Photochromic

• US Classifications

  • 313 - Electric lamp and discharge devices
  • 348 - Television