3648644

Information

• Patent Grant
• 3648644

• References
• Source

• Patent Number

  3,648,644

• Date Filed

  Not available

• Date Issued

  Tuesday, March 14, 1972
  52 years ago

• CPC

  • B63H16/12 - using hand levers, cranks, pedals, or the like
  • B63H1/34 - of endless-track type
  • B63H2001/344 - having paddles mounted in fixed relation to tracks, or to track members

• US Classifications

  • 440 - Marine propulsion