1381407

Information

• Patent Grant
• 1381407

• References
• Source

• Patent Number

  1,381,407

• Date Filed

  Not available

• Date Issued

  Tuesday, June 14, 1921
  104 years ago

• CPC

  • E02C1/00 - Locks or dry-docks Shaft locks
  • E02C1/10 - Equipment for use in connection with the navigation of ships in locks Mooring equipment

• US Classifications

  • 405 - Hydraulic and earth engineering