3509727

Information

• Patent Grant
• 3509727

• References
• Source

• Patent Number

  3,509,727

• Date Filed

  Not available

• Date Issued

  Tuesday, May 5, 1970
  54 years ago

• CPC

  • E02C1/06 - Devices for filling or emptying locks
  • B63B9/00 - Methods of designing, building, maintaining, converting, refitting, repairing, or determining properties of vessels, not otherwise provided for
  • B63C1/00 - Dry-docking of vessels or flying-boats

• US Classifications

  • 405 - Hydraulic and earth engineering