2689189

Information

• Patent Grant
• 2689189

• References
• Source

• Patent Number

  2,689,189

• Date Filed

  Not available

• Date Issued

  Tuesday, September 14, 1954
  70 years ago

• CPC

  • H01J29/385 - Photocathodes comprising a layer which modified the wave length of impinging radiation
  • G21K4/00 - Conversion screens for the conversion of the spatial distribution of X-rays or particle radiation into visible images
  • Y10S65/01 - Lens envelope
  • Y10T428/266 - of base or substrate

• US Classifications

  • 428 - Stock material or miscellaneous articles
  • 065 - Glass manufacturing
  • 250 - Radiant energy
  • 252 - Compositions
  • 313 - Electric lamp and discharge devices
  • 976 - Nuclear technology