3580213

Information

• Patent Grant
• 3580213

• References
• Source

• Patent Number

  3,580,213

• Date Filed

  Not available

• Date Issued

  Tuesday, May 25, 1971
  53 years ago

• CPC

  • A63B35/04 - with paddle wheels

• US Classifications

  • 440 - Marine propulsion
  • 416 - Fluid reaction surfaces