3680965

Information

• Patent Grant
• 3680965

• References
• Source

• Patent Number

  3,680,965

• Date Filed

  Not available

• Date Issued

  Tuesday, August 1, 1972
  52 years ago

• CPC

  • G01J1/48 - using chemical effects
  • G01J1/4257 - applied to monitoring the characteristics of a beam

• US Classifications

  • 356 - Optics: measuring and testing
  • 346 - Recorders