470537

Information

• Patent Grant
• 470537

• References
• Source

• Patent Number

  470,537

• Date Filed

  Not available

• Date Issued

  Tuesday, March 8, 1892
  133 years ago

• CPC

  • B01F13/002 - portable during use
  • Y10S416/501 - Fly brush type impeller

• US Classifications

  • 416 - Fluid reaction surfaces