1356773

Information

• Patent Grant
• 1356773

• References
• Source

• Patent Number

  1,356,773

• Date Filed

  Not available

• Date Issued

  Tuesday, October 26, 1920
  104 years ago

• CPC

  • B63C11/38 - with entrance above water surface

• US Classifications

  • 405 - Hydraulic and earth engineering
  • 114 - Ships