3804543

Information

• Patent Grant
• 3804543

• References
• Source

• Patent Number

  3,804,543

• Date Filed

  Not available

• Date Issued

  Tuesday, April 16, 1974
  50 years ago

• CPC

  • E01B1/00 - Ballastway Other means for supporting the sleepers or the track Drainage of the ballastway
  • E01C3/06 - Methods or arrangements for protecting foundations from destructive influence of moisture, frost or vibration
  • E01B1/001 - Track with ballast
  • E01B1/002 - Ballastless track
  • E01B2204/08 - Deep or vertical foundation

• US Classifications

  • 404 - Road structure, process, or apparatus
  • 405 - Hydraulic and earth engineering