313664

Information

• Patent Grant
• 313664

• References
• Source

• Patent Number

  313,664

• Date Filed

  Not available

• Date Issued

  Tuesday, March 10, 1885
  140 years ago

• CPC

  • B63B41/00 - Drop keels
  • B63B2039/063 - the foils comprising flexible portions

• US Classifications

  • 114 - Ships