2137918

Information

• Patent Grant
• 2137918

• References
• Source

• Patent Number

  2,137,918

• Date Filed

  Not available

• Date Issued

  Tuesday, November 22, 1938
  86 years ago

• CPC

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

• US Classifications

  • 238 - Railways: surface track