3496851

Information

• Patent Grant
• 3496851

• References
• Source

• Patent Number

  3,496,851

• Date Filed

  Not available

• Date Issued

  Tuesday, February 24, 1970
  54 years ago

• CPC

  • G03B13/26 - with magnifiers for inspecting image formed on screen
  • G02B7/08 - adapted to co-operate with a remote control mechanism
  • G02B15/14 - by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
  • G03B17/14 - interchangeably

• US Classifications

  • 359 - Optical: systems and elements