297087

Information

• Patent Grant
• 297087

• References
• Source

• Patent Number

  297,087

• Date Filed

  Not available

• Date Issued

  Tuesday, April 15, 1884
  141 years ago

• CPC

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

• US Classifications

  • 137 - Fluid handling