3394663

Information

• Patent Grant
• 3394663

• References
• Source

• Patent Number

  3,394,663

• Date Filed

  Not available

• Date Issued

  Tuesday, July 30, 1968
  56 years ago

• CPC

  • E01B27/022 - by devices moving on the track with or without spreading or levelling

• US Classifications

  • 105 - Railway rolling stock
  • 037 - Excavating
  • 104 - Railways
  • 298 - Land vehicles: dumping
  • 414 - Material or article handling