3111581

Information

• Patent Grant
• 3111581

• References
• Source

• Patent Number

  3,111,581

• Date Filed

  Not available

• Date Issued

  Tuesday, November 19, 1963
  61 years ago

• CPC

  • G01F23/306 - using radioactive radiation
  • G01F23/02 - by gauge glasses or other apparatus involving a window or transparent tube for directly observing the level to be measured or the level of a liquid column in free communication with the main body of the liquid

• US Classifications

  • 378 - X-ray or gamma ray systems or devices
  • 073 - Measuring and testing
  • 250 - Radiant energy