2169468

Information

• Patent Grant
• 2169468

• References
• Source

• Patent Number

  2,169,468

• Date Filed

  Not available

• Date Issued

  Tuesday, August 15, 1939
  85 years ago

• CPC

  • E02B5/02 - Making or lining canals
  • E01C19/34 - Power-driven rammers or tampers
  • E02D3/046 - by tamping or vibrating

• US Classifications

  • 405 - Hydraulic and earth engineering
  • 404 - Road structure, process, or apparatus