1519609

Information

• Patent Grant
• 1519609

• References
• Source

• Patent Number

  1,519,609

• Date Filed

  Not available

• Date Issued

  Tuesday, December 16, 1924
  100 years ago

• CPC

  • G01N9/26 - by measuring pressure differences
  • G01N2009/263 - using vertically-movable pressure transducer

• US Classifications

  • 073 - Measuring and testing