2161074

Information

• Patent Grant
• 2161074

• References
• Source

• Patent Number

  2,161,074

• Date Filed

  Not available

• Date Issued

  Tuesday, June 6, 1939
  85 years ago

• CPC

  • B63H1/12 - with rotation axis substantially in propulsive direction
  • B63H2001/122 - Single or multiple threaded helicoidal screws, or the like, comprising foils extending over a substantial angle; Archimedean screws

• US Classifications

  • 416 - Fluid reaction surfaces