3675259

Information

• Patent Grant
• 3675259

• References
• Source

• Patent Number

  3,675,259

• Date Filed

  Not available

• Date Issued

  Tuesday, July 11, 1972
  52 years ago

• CPC

  • B63B1/047 - with spherical hull or hull in the shape of a vertical ring

• US Classifications

  • 441 - Buoys, rafts, and aquatic devices
  • 440 - Marine propulsion
  • 472 - Amusement devices
  • 482 - Exercise devices