1747817

Information

• Patent Grant
• 1747817

• References
• Source

• Patent Number

  1,747,817

• Date Filed

  Not available

• Date Issued

  Tuesday, February 18, 1930
  95 years ago

• CPC

  • B63H19/04 - propelled by water current
  • Y02T70/59 - Other propulsion concepts for reducing greenhouse gas emissions

• US Classifications

  • 440 - Marine propulsion
  • 114 - Ships