1938675

Information

• Patent Grant
• 1938675

• References
• Source

• Patent Number

  1,938,675

• Date Filed

  Not available

• Date Issued

  Tuesday, December 12, 1933
  91 years ago

• CPC

  • E02B7/46 - Gates turning round a horizontal axis arranged midway of the flap

• US Classifications

  • 405 - Hydraulic and earth engineering