2815518

Information

• Patent Grant
• 2815518

• References
• Source

• Patent Number

  2,815,518

• Date Filed

  Not available

• Date Issued

  Tuesday, December 10, 1957
  67 years ago

• CPC

  • B63B35/7923 - with hydrofoils
  • B63B1/283 - movable around a vertical axis

• US Classifications

  • 441 - Buoys, rafts, and aquatic devices
  • 114 - Ships