2942254

Information

• Patent Grant
• 2942254

• References
• Source

• Patent Number

  2,942,254

• Date Filed

  Not available

• Date Issued

  Tuesday, June 21, 1960
  64 years ago

• CPC

  • H01J29/896 - Anti-reflection means
  • H01J29/185 - measures against halo-phenomena
  • H01J2229/8911 - Large-scale devices
  • H01J2229/8922 - Apparatus attached to vessel and not integral therewith
  • H01J2229/8926 - Active components

• US Classifications

  • 348 - Television
  • 352 - Optics: motion pictures
  • 359 - Optical: systems and elements
  • 362 - Illumination
  • D14 - Recording, communication, or information retrieval equipment