3656450

Information

• Patent Grant
• 3656450

• References
• Source

• Patent Number

  3,656,450

• Date Filed

  Not available

• Date Issued

  Tuesday, April 18, 1972
  53 years ago

• CPC

  • B63H1/34 - of endless-track type
  • B63H2001/342 - with tracks substantially parallel to propulsive direction

• US Classifications

  • 440 - Marine propulsion
  • 416 - Fluid reaction surfaces