3813154

Information

• Patent Grant
• 3813154

• References
• Source

• Patent Number

  3,813,154

• Date Filed

  Not available

• Date Issued

  Tuesday, May 28, 1974
  50 years ago

• CPC

  • G03B1/22 - Claws or pins engaging holes in the film
  • G03B21/50 - Control devices operated by the film strip during the run

• US Classifications

  • 352 - Optics: motion pictures
  • 226 - Advancing material of indeterminate length