1861999

Information

• Patent Grant
• 1861999

• References
• Source

• Patent Number

  1,861,999

• Date Filed

  Not available

• Date Issued

  Tuesday, June 7, 1932
  93 years ago

• CPC

  • G01L7/024 - with mechanical transmitting or indicating means
  • E21B21/08 - Controlling or monitoring pressure or flow of drilling fluid
  • E21B47/06 - Measuring temperature or pressure

• US Classifications

  • 073 - Measuring and testing