1421887

Information

• Patent Grant
• 1421887

• References
• Source

• Patent Number

  1,421,887

• Date Filed

  Not available

• Date Issued

  Tuesday, July 4, 1922
  102 years ago

• CPC

  • B63C7/28 - Refloating stranded vessels
  • B63C7/08 - using rigid floats

• US Classifications

  • 114 - Ships