2991489

Information

• Patent Grant
• 2991489

• References
• Source

• Patent Number

  2,991,489

• Date Filed

  Not available

• Date Issued

  Tuesday, July 11, 1961
  63 years ago

• CPC

  • B63C9/06 - Floatable closed containers with accommodation for one or more persons inside
  • B63C2009/023 - self-righting

• US Classifications

  • 114 - Ships
  • 405 - Hydraulic and earth engineering