19977

Information

• Patent Grant
• 19977

• References
• Source

• Patent Number

  19,977

• Date Filed

  Not available

• Date Issued

  Tuesday, April 20, 1858
  166 years ago

• CPC

  • B63C9/06 - Floatable closed containers with accommodation for one or more persons inside
  • Y10S122/05 - Critical pressure

• US Classifications

  • 114 - Ships