2500710

Information

• Patent Grant
• 2500710

• References
• Source

• Patent Number

  2,500,710

• Date Filed

  Not available

• Date Issued

  Tuesday, March 14, 1950
  75 years ago

• CPC

  • E01B7/28 - Crossings
  • E01B7/00 - Switches Crossings

• US Classifications

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