2883770

Information

• Patent Grant
• 2883770

• References
• Source

• Patent Number

  2,883,770

• Date Filed

  Not available

• Date Issued

  Tuesday, April 28, 1959
  66 years ago

• CPC

  • B43L3/002 - with luminescent substances

• US Classifications

  • 434 - Education and demonstration
  • 250 - Radiant energy
  • 362 - Illumination
  • D19 - Office supplies