3098409

Information

• Patent Grant
• 3098409

• References
• Source

• Patent Number

  3,098,409

• Date Filed

  Not available

• Date Issued

  Tuesday, July 23, 1963
  61 years ago

• CPC

  • G07F17/163 - for film projection apparatus

• US Classifications

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