3703211

Information

• Patent Grant
• 3703211

• References
• Source

• Patent Number

  3,703,211

• Date Filed

  Not available

• Date Issued

  Tuesday, November 21, 1972
  51 years ago

• CPC

  • B63H1/14 - Propellers
  • B63H2001/145 - comprising blades of two or more different types

• US Classifications

  • 440 - Marine propulsion
  • 416 - Fluid reaction surfaces