1848581

Information

• Patent Grant
• 1848581

• References
• Source

• Patent Number

  1,848,581

• Date Filed

  Not available

• Date Issued

  Tuesday, March 8, 1932
  93 years ago

• CPC

  • B63C7/14 - using freezing for closing holes or for strengthening the vessel or the like

• US Classifications

  • 114 - Ships