3642355

Information

• Patent Grant
• 3642355

• References
• Source

• Patent Number

  3,642,355

• Date Filed

  Not available

• Date Issued

  Tuesday, February 15, 1972
  53 years ago

• CPC

  • G03B21/40 - Eliminating or reducing effect of flicker
  • G03B1/18 - moving film strip by means which act on the film between the ends thereof
  • G03B21/32 - Details specially adapted for motion-picture projection

• US Classifications

  • 352 - Optics: motion pictures