3621718

Information

• Patent Grant
• 3621718

• References
• Source

• Patent Number

  3,621,718

• Date Filed

  Not available

• Date Issued

  Tuesday, November 23, 1971
  53 years ago

• CPC

  • G01L7/14 - with zero-setting means
  • G01C5/06 - by using barometric means

• US Classifications

  • 073 - Measuring and testing
  • 374 - Thermal measuring and testing