1953979

Information

• Patent Grant
• 1953979

• References
• Source

• Patent Number

  1,953,979

• Date Filed

  Not available

• Date Issued

  Tuesday, April 10, 1934
  90 years ago

• CPC

  • E01B27/107 - along between the tracks only

• US Classifications

  • 037 - Excavating
  • 198 - Conveyors: power-driven