2321980

Information

• Patent Grant
• 2321980

• References
• Source

• Patent Number

  2,321,980

• Date Filed

  Not available

• Date Issued

  Tuesday, June 15, 1943
  81 years ago

• CPC

  • B63B1/20 - having more than one planing surface
  • B63B3/185 - comprising only flat panels

• US Classifications

  • 114 - Ships