2747850

Information

• Patent Grant
• 2747850

• References
• Source

• Patent Number

  2,747,850

• Date Filed

  Not available

• Date Issued

  Tuesday, May 29, 1956
  68 years ago

• CPC

  • E01B27/107 - along between the tracks only
  • E01B27/10 - without taking-up track

• US Classifications

  • 171 - Unearthing plants or buried objects
  • 037 - Excavating
  • 280 - Land vehicles