2470666

Information

• Patent Grant
• 2470666

• References
• Source

• Patent Number

  2,470,666

• Date Filed

  Not available

• Date Issued

  Tuesday, May 17, 1949
  75 years ago

• CPC

  • H01J29/89 - Optical or photographic arrangements structurally combined or co-operating with the vessel
  • H01J2229/8911 - Large-scale devices

• US Classifications

  • 348 - Television
  • 313 - Electric lamp and discharge devices
  • 359 - Optical: systems and elements