3909524

Information

• Patent Grant
• 3909524

• References
• Source

• Patent Number

  3,909,524

• Date Filed

  Not available

• Date Issued

  Tuesday, September 30, 1975
  49 years ago

• CPC

  • H01J29/87 - Arrangements for preventing or limiting effects of implosion of vessels or containers
  • H01J29/89 - Optical or photographic arrangements structurally combined or co-operating with the vessel
  • H01J2229/875 - Means substantially covering the output face
  • H01J2229/8901 - Fixing of optical components to the vessel
  • H01J2229/8909 - Baffles, shutters, apertures or the like against external light
  • H01J2229/8922 - Apparatus attached to vessel and not integral therewith

• US Classifications

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