1954570

Information

• Patent Grant
• 1954570

• References
• Source

• Patent Number

  1,954,570

• Date Filed

  Not available

• Date Issued

  Tuesday, April 10, 1934
  90 years ago

• CPC

  • G01K5/30 - the gas displacing a liquid column

• US Classifications

  • 374 - Thermal measuring and testing
  • 236 - Automatic temperature and humidity regulation