2139768

Information

• Patent Grant
• 2139768

• References
• Source

• Patent Number

  2,139,768

• Date Filed

  Not available

• Date Issued

  Tuesday, December 13, 1938
  86 years ago

• CPC

  • G01N25/42 - continuously
  • Y10T137/7737 - Thermal responsive

• US Classifications

  • 374 - Thermal measuring and testing
  • 048 - Gas: heating and illuminating
  • 137 - Fluid handling
  • 222 - Dispensing