3694064

Information

• Patent Grant
• 3694064

• References
• Source

• Patent Number

  3,694,064

• Date Filed

  Not available

• Date Issued

  Tuesday, September 26, 1972
  53 years ago

• CPC

  • G03B21/46 - affording adjustment for framing
  • G03B35/24 - using apertured or refractive resolving means on screens or between screen and eye

• US Classifications

  • 352 - Optics: motion pictures
  • 226 - Advancing material of indeterminate length