2827771

Information

• Patent Grant
• 2827771

• References
• Source

• Patent Number

  2,827,771

• Date Filed

  Not available

• Date Issued

  Tuesday, March 25, 1958
  66 years ago

• CPC

  • E02B5/02 - Making or lining canals
  • E01C19/4846 - with non-vibratory or non-percussive pressing or smoothing means
  • E01C23/025 - Making or working grooves or like channels in laid paving

• US Classifications

  • 405 - Hydraulic and earth engineering