1392771

Information

• Patent Grant
• 1392771

• References
• Source

• Patent Number

  1,392,771

• Date Filed

  Not available

• Date Issued

  Tuesday, October 4, 1921
  103 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
  • B63B2019/0053 - Locking means for ports, doors, windows, covers, or the like
  • B63B2019/0076 - comprising multiple positive fit locking members arranged for simultaneous locking action

• US Classifications

  • 114 - Ships