2072220

Information

• Patent Grant
• 2072220

• References
• Source

• Patent Number

  2,072,220

• Date Filed

  Not available

• Date Issued

  Tuesday, March 2, 1937
  87 years ago

• CPC

  • G01F1/375 - with mechanical or fluidic indication

• US Classifications

  • 073 - Measuring and testing
  • 092 - Expansible chamber devices