3712724

Information

• Patent Grant
• 3712724

• References
• Source

• Patent Number

  3,712,724

• Date Filed

  Not available

• Date Issued

  Tuesday, January 23, 1973
  51 years ago

• CPC

  • G03B33/00 - Colour photography, other than mere exposure or projection of a colour film
  • G03B21/32 - Details specially adapted for motion-picture projection
  • G03B23/02 - in which a picture is removed from a stock and returned to the same stock or another one Magazines therefor
  • G03B33/14 - using lenticular screens

• US Classifications

  • 353 - Optics: image projectors
  • 362 - Illumination
  • 385 - Optical waveguides