3375802

Information

• Patent Grant
• 3375802

• References
• Source

• Patent Number

  3,375,802

• Date Filed

  Not available

• Date Issued

  Tuesday, April 2, 1968
  56 years ago

• CPC

  • G01N25/26 - using combustion with oxygen under pressure
  • B01J3/004 - Sight-glasses therefor
  • F16J15/104 - characterised by structure
  • F16K51/00 - Other details not peculiar to particular types of valves or cut-off apparatus
  • 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
  • G01L7/00 - Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements
  • G01L19/00 - Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges

• US Classifications

  • 116 - Signals and indicators
  • 073 - Measuring and testing
  • 359 - Optical: systems and elements