3081668

Information

• Patent Grant
• 3081668

• References
• Source

• Patent Number

  3,081,668

• Date Filed

  Not available

• Date Issued

  Tuesday, March 19, 1963
  61 years ago

• CPC

  • G07F17/163 - for film projection apparatus

• US Classifications

  • 352 - Optics: motion pictures
  • 242 - Winding, tensioning, or guiding
  • 312 - Supports: cabinet structure
  • D20 - Sales and advertising equipment