1628933

Information

• Patent Grant
• 1628933

• References
• Source

• Patent Number

  1,628,933

• Date Filed

  Not available

• Date Issued

  Tuesday, May 17, 1927
  97 years ago

• CPC

  • E02B7/08 - Wall dams

• US Classifications

  • 052 - Static structures
  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 405 - Hydraulic and earth engineering