3013520

Information

• Patent Grant
• 3013520

• References
• Source

• Patent Number

  3,013,520

• Date Filed

  Not available

• Date Issued

  Tuesday, December 19, 1961
  63 years ago

• CPC

  • 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