1446245

Information

• Patent Grant
• 1446245

• References
• Source

• Patent Number

  1,446,245

• Date Filed

  Not available

• Date Issued

  Tuesday, February 20, 1923
  102 years ago

• CPC

  • B01F7/066 - the guiding means being tubes surrounding the propellers

• US Classifications

  • 366 - Agitating