3389842

Information

• Patent Grant
• 3389842

• References
• Source

• Patent Number

  3,389,842

• Date Filed

  Not available

• Date Issued

  Tuesday, June 25, 1968
  56 years ago

• CPC

  • G03B1/22 - Claws or pins engaging holes in the film
  • Y10T74/1594 - Positive grip

• US Classifications

  • 226 - Advancing material of indeterminate length
  • 074 - Machine element or mechanism
  • 352 - Optics: motion pictures