3449040

Information

• Patent Grant
• 3449040

• References
• Source

• Patent Number

  3,449,040

• Date Filed

  Not available

• Date Issued

  Tuesday, June 10, 1969
  56 years ago

• CPC

  • G02B9/38 - both - components being meniscus
  • G02B13/00 - Optical objectives specially designed for the purposes specified below

• US Classifications

  • 359 - Optical: systems and elements