3909146

Information

• Patent Grant
• 3909146

• References
• Source

• Patent Number

  3,909,146

• Date Filed

  Not available

• Date Issued

  Tuesday, September 30, 1975
  49 years ago

• CPC

  • E01C19/182 - solely for depositing

• US Classifications

  • 404 - Road structure, process, or apparatus
  • 298 - Land vehicles: dumping