2815917

Information

• Patent Grant
• 2815917

• References
• Source

• Patent Number

  2,815,917

• Date Filed

  Not available

• Date Issued

  Tuesday, December 10, 1957
  67 years ago

• CPC

  • E01B3/24 - Slabs Blocks Pot sleppers Fastening tie-rods to them

• US Classifications

  • 238 - Railways: surface track
  • 246 - Railway switches and signals