3799656

Information

• Patent Grant
• 3799656

• References
• Source

• Patent Number

  3,799,656

• Date Filed

  Not available

• Date Issued

  Tuesday, March 26, 1974
  50 years ago

• CPC

  • G03B27/475 - copying cinematographic film
  • G02B13/00 - Optical objectives specially designed for the purposes specified below

• US Classifications

  • 359 - Optical: systems and elements
  • 355 - Photocopying