1579477

Information

• Patent Grant
• 1579477

• References
• Source

• Patent Number

  1,579,477

• Date Filed

  Not available

• Date Issued

  Tuesday, April 6, 1926
  99 years ago

• CPC

  • E21C33/00 - Trucks or other devices for transporting machines for slitting or completely freeing the mineral from the seam

• US Classifications

  • 105 - Railway rolling stock