288021

Information

• Patent Grant
• 288021

• References
• Source

• Patent Number

  288,021

• Date Filed

  Not available

• Date Issued

  Tuesday, November 6, 1883
  141 years ago

• CPC

  • F04D29/382 - Flexible blades
  • Y10S416/501 - Fly brush type impeller

• US Classifications

  • 416 - Fluid reaction surfaces