3695750

Information

• Patent Grant
• 3695750

• References
• Source

• Patent Number

  3,695,750

• Date Filed

  Not available

• Date Issued

  Tuesday, October 3, 1972
  52 years ago

• CPC

  • G02B9/44 - both - components being biconcave
  • G02B13/00 - Optical objectives specially designed for the purposes specified below

• US Classifications

  • 359 - Optical: systems and elements