3254556

Information

• Patent Grant
• 3254556

• References
• Source

• Patent Number

  3,254,556

• Date Filed

  Not available

• Date Issued

  Tuesday, June 7, 1966
  58 years ago

• CPC

  • G01J3/14 - using refracting elements
  • G01J3/16 - with autocollimation
  • G02B5/045 - Prism arrays

• US Classifications

  • 359 - Optical: systems and elements
  • 356 - Optics: measuring and testing
  • 451 - Abrading