3379157

Information

• Patent Grant
• 3379157

• References
• Source

• Patent Number

  3,379,157

• Date Filed

  Not available

• Date Issued

  Tuesday, April 23, 1968
  56 years ago

• CPC

  • B63C11/49 - Floating structures with underwater viewing devices
  • B63C11/38 - with entrance above water surface

• US Classifications

  • 114 - Ships