3858829

Information

• Patent Grant
• 3858829

• References
• Source

• Patent Number

  3,858,829

• Date Filed

  Not available

• Date Issued

  Tuesday, January 7, 1975
  49 years ago

• CPC

  • G03B21/323 - Cassettes

• US Classifications

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