1687275

Information

• Patent Grant
• 1687275

• References
• Source

• Patent Number

  1,687,275

• Date Filed

  Not available

• Date Issued

  Tuesday, October 9, 1928
  96 years ago

• CPC

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

• US Classifications

  • 238 - Railways: surface track