3414351

Information

• Patent Grant
• 3414351

• References
• Source

• Patent Number

  3,414,351

• Date Filed

  Not available

• Date Issued

  Tuesday, December 3, 1968
  56 years ago

• CPC

  • G03B31/04 - in which sound track is not on, but is synchronised with, a moving-picture film
  • G09B5/067 - Combinations of audio and projected visual presentation
  • Y10S353/02 - Film strip

• US Classifications

  • 353 - Optics: image projectors
  • 352 - Optics: motion pictures