3203328

Information

• Patent Grant
• 3203328

• References
• Source

• Patent Number

  3,203,328

• Date Filed

  Not available

• Date Issued

  Tuesday, August 31, 1965
  59 years ago

• CPC

  • G02B13/06 - Panoramic objectives So-called "sky lenses" including panoramic objectives having reflecting surfaces
  • G02B19/0023 - at least one surface having optical power
  • G02B19/0038 - for use with ambient light
  • G02B23/08 - Periscopes

• US Classifications

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