3847109

Information

• Patent Grant
• 3847109

• References
• Source

• Patent Number

  3,847,109

• Date Filed

  Not available

• Date Issued

  Tuesday, November 12, 1974
  50 years ago

• CPC

  • B63H1/08 - with cyclic adjustment

• US Classifications

  • 440 - Marine propulsion
  • 416 - Fluid reaction surfaces