3274912

Information

• Patent Grant
• 3274912

• References
• Source

• Patent Number

  3,274,912

• Date Filed

  Not available

• Date Issued

  Tuesday, September 27, 1966
  58 years ago

• CPC

  • G03B13/26 - with magnifiers for inspecting image formed on screen
  • G03B19/12 - Reflex cameras with single objective and a movable reflector or a partly-transmitting mirror

• US Classifications

  • 396 - Photography
  • 359 - Optical: systems and elements