3631721

Information

• Patent Grant
• 3631721

• References
• Source

• Patent Number

  3,631,721

• Date Filed

  Not available

• Date Issued

  Tuesday, January 4, 1972
  53 years ago

• CPC

  • G01K5/00 - Measuring temperature based on the expansion or contraction of a material
  • G01K5/14 - the liquid displacing a further liquid column or a solid body

• US Classifications

  • 374 - Thermal measuring and testing