3877160

Information

• Patent Grant
• 3877160

• References
• Source

• Patent Number

  3,877,160

• Date Filed

  Not available

• Date Issued

  Tuesday, April 15, 1975
  49 years ago

• CPC

  • E01B27/023 - Spreading, levelling or redistributing ballast already placed

• US Classifications

  • 037 - Excavating
  • 172 - Earth working