3402492

Information

• Patent Grant
• 3402492

• References
• Source

• Patent Number

  3,402,492

• Date Filed

  Not available

• Date Issued

  Tuesday, September 24, 1968
  56 years ago

• CPC

  • C09K11/04 - containing natural or artificial radioactive elements or unspecified radioactive elements
  • H01J65/08 - Lamps in which a screen or coating is excited to luminesce by radioactive material located inside the vessel

• US Classifications

  • 040 - Card, picture, or sign exhibiting