311145

Information

• Patent Grant
• 311145

• References
• Source

• Patent Number

  311,145

• Date Filed

  Not available

• Date Issued

  Tuesday, January 20, 1885
  140 years ago

• CPC

  • G01F1/28 - by drag-force
  • Y10T137/2602 - Flapper

• US Classifications

  • 137 - Fluid handling