3324762

Information

• Patent Grant
• 3324762

• References
• Source

• Patent Number

  3,324,762

• Date Filed

  Not available

• Date Issued

  Tuesday, June 13, 1967
  57 years ago

• CPC

  • G03B17/24 - with means for separately producing marks on the film
  • B43L13/10 - Pantographic instruments for copying, enlarging, or diminishing
  • G03B2217/245 - Mechanical devices
  • Y10S353/05 - Transparency holder accessories

• US Classifications

  • 033 - Geometrical instruments
  • 353 - Optics: image projectors