1897693

Information

• Patent Grant
• 1897693

• References
• Source

• Patent Number

  1,897,693

• Date Filed

  Not available

• Date Issued

  Tuesday, February 14, 1933
  91 years ago

• CPC

  • B63B19/00 - Arrangements or adaptations of ports, doors, windows, port-holes, or other openings or covers
  • B63B2019/0023 - Pivotal bull's eyes with central pivoting axis
  • B63B2019/0053 - Locking means for ports, doors, windows, covers, or the like

• US Classifications

  • 114 - Ships