2806441

Information

• Patent Grant
• 2806441

• References
• Source

• Patent Number

  2,806,441

• Date Filed

  Not available

• Date Issued

  Tuesday, September 17, 1957
  67 years ago

• CPC

  • B63H25/42 - Steering or dynamic anchoring by propulsive elements Steering or dynamic anchoring by propellers used therefor only Steering or dynamic anchoring by rudders carrying propellers
  • B63G8/16 - by direct use of propellers or jets
  • B63H2001/122 - Single or multiple threaded helicoidal screws, or the like, comprising foils extending over a substantial angle; Archimedean screws

• US Classifications

  • 114 - Ships
  • 440 - Marine propulsion