3503591

Information

• Patent Grant
• 3503591

• References
• Source

• Patent Number

  3,503,591

• Date Filed

  Not available

• Date Issued

  Tuesday, March 31, 1970
  54 years ago

• CPC

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

• US Classifications

  • 366 - Agitating