2149548

Information

• Patent Grant
• 2149548

• References
• Source

• Patent Number

  2,149,548

• Date Filed

  Not available

• Date Issued

  Tuesday, March 7, 1939
  85 years ago

• CPC

  • E01F15/0446 - Concrete rails

• US Classifications

  • 256 - Fences
  • 404 - Road structure, process, or apparatus