3497303

Information

• Patent Grant
• 3497303

• References
• Source

• Patent Number

  3,497,303

• Date Filed

  Not available

• Date Issued

  Tuesday, February 24, 1970
  54 years ago

• CPC

  • G01N21/53 - within a flowing fluid
  • G01N2201/0639 - Sphere lens

• US Classifications

  • 356 - Optics: measuring and testing
  • 250 - Radiant energy