2705434

Information

• Patent Grant
• 2705434

• References
• Source

• Patent Number

  2,705,434

• Date Filed

  Not available

• Date Issued

  Tuesday, April 5, 1955
  69 years ago

• CPC

  • G01J3/16 - with autocollimation

• US Classifications

  • 356 - Optics: measuring and testing
  • 116 - Signals and indicators
  • 359 - Optical: systems and elements