2619940

Information

• Patent Grant
• 2619940

• References
• Source

• Patent Number

  2,619,940

• Date Filed

  Not available

• Date Issued

  Tuesday, December 2, 1952
  72 years ago

• CPC

  • G01F3/221 - Valves therefor

• US Classifications

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