1724581

Information

• Patent Grant
• 1724581

• References
• Source

• Patent Number

  1,724,581

• Date Filed

  Not available

• Date Issued

  Tuesday, August 13, 1929
  95 years ago

• CPC

  • E01B11/32 - by separate parts, Inserts bridging both rail heads

• US Classifications

  • 238 - Railways: surface track