2109825

Information

• Patent Grant
• 2109825

• References
• Source

• Patent Number

  2,109,825

• Date Filed

  Not available

• Date Issued

  Tuesday, March 1, 1938
  87 years ago

• CPC

  • G01K1/065 - of liquid column thermometers

• US Classifications

  • 374 - Thermal measuring and testing