3756717

Information

• Patent Grant
• 3756717

• References
• Source

• Patent Number

  3,756,717

• Date Filed

  Not available

• Date Issued

  Tuesday, September 4, 1973
  52 years ago

• CPC

  • G03B23/044 - whereby the picture is returned to the same stock
  • Y10S353/01 - Slides stacked with surface to surface contact

• US Classifications

  • 353 - Optics: image projectors