1412409

Information

• Patent Grant
• 1412409

• References
• Source

• Patent Number

  1,412,409

• Date Filed

  Not available

• Date Issued

  Tuesday, April 11, 1922
  102 years ago

• CPC

  • B63B19/00 - Arrangements or adaptations of ports, doors, windows, port-holes, or other openings or covers
  • B63B2019/003 - Pivotal bull's eyes with peripheral hinge axis
  • B63B2019/0069 - comprising movable positive fit locking members

• US Classifications

  • 114 - Ships