3906881

Information

• Patent Grant
• 3906881

• References
• Source

• Patent Number

  3,906,881

• Date Filed

  Not available

• Date Issued

  Tuesday, September 23, 1975
  49 years ago

• CPC

  • B63H25/20 - by mechanical means
  • B63H25/04 - automatic

• US Classifications

  • 114 - Ships
  • D12 - Transportation