3873046

Information

• Patent Grant
• 3873046

• References
• Source

• Patent Number

  3,873,046

• Date Filed

  Not available

• Date Issued

  Tuesday, March 25, 1975
  50 years ago

• CPC

  • G03B21/323 - Cassettes

• US Classifications

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