3150810

Information

• Patent Grant
• 3150810

• References
• Source

• Patent Number

  3,150,810

• Date Filed

  Not available

• Date Issued

  Tuesday, September 29, 1964
  60 years ago

• CPC

  • G03B1/56 - Threading Loop forming
  • G03B1/46 - Rollers engaging face of film
  • G03B21/32 - Details specially adapted for motion-picture projection

• US Classifications

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