1817325

Information

• Patent Grant
• 1817325

• References
• Source

• Patent Number

  1,817,325

• Date Filed

  Not available

• Date Issued

  Tuesday, August 4, 1931
  93 years ago

• CPC

  • E01B9/44 - Fastening the rail on the tie-plate

• US Classifications

  • 238 - Railways: surface track