2157671

Information

• Patent Grant
• 2157671

• References
• Source

• Patent Number

  2,157,671

• Date Filed

  Not available

• Date Issued

  Tuesday, May 9, 1939
  85 years ago

• CPC

  • E02B7/16 - Fixed weirs Superstructures or flash-boards therefor

• US Classifications

  • 405 - Hydraulic and earth engineering
  • 160 - Flexible or portable closure, partition, or panel