3550879

Information

• Patent Grant
• 3550879

• References
• Source

• Patent Number

  3,550,879

• Date Filed

  Not available

• Date Issued

  Tuesday, December 29, 1970
  54 years ago

• CPC

  • G03B21/323 - Cassettes
  • G03B21/02 - Multiple-film apparatus

• US Classifications

  • 242 - Winding, tensioning, or guiding
  • 352 - Optics: motion pictures