1539814

Information

• Patent Grant
• 1539814

• References
• Source

• Patent Number

  1,539,814

• Date Filed

  Not available

• Date Issued

  Tuesday, May 26, 1925
  99 years ago

• CPC

  • B63H1/04 - with rotation axis substantially at right angles to propulsive direction
  • B63B2744/00 - Stern paddle wheels

• US Classifications

  • 440 - Marine propulsion