3417622

Information

• Patent Grant
• 3417622

• References
• Source

• Patent Number

  3,417,622

• Date Filed

  Not available

• Date Issued

  Tuesday, December 24, 1968
  56 years ago

• CPC

  • G01L7/20 - involving a closed chamber above the liquid level, the chamber being exhausted or housing low-pressure gas liquid barometers

• US Classifications

  • 073 - Measuring and testing