3870427

Information

• Patent Grant
• 3870427

• References
• Source

• Patent Number

  3,870,427

• Date Filed

  Not available

• Date Issued

  Tuesday, March 11, 1975
  49 years ago

• CPC

  • E01C19/38 - with means specifically for generating vibrations
  • E01C19/29 - Rolling apparatus adapted to apply a rolling pressure less than its weight
  • E01C19/407 - with elements or parts partly or fully immersed in or penetrating into the material to act thereon

• US Classifications

  • 404 - Road structure, process, or apparatus