3897153

Information

• Patent Grant
• 3897153

• References
• Source

• Patent Number

  3,897,153

• Date Filed

  Not available

• Date Issued

  Tuesday, July 29, 1975
  49 years ago

• CPC

  • G01J1/30 - using electric radiation detectors
  • G01N21/37 - using pneumatic detection

• US Classifications

  • 356 - Optics: measuring and testing
  • 250 - Radiant energy
  • 359 - Optical: systems and elements