1469145

Information

• Patent Grant
• 1469145

• References
• Source

• Patent Number

  1,469,145

• Date Filed

  Not available

• Date Issued

  Tuesday, September 25, 1923
  101 years ago

• CPC

  • E01B7/18 - Combinations of switches and crossings

• US Classifications

  • 246 - Railway switches and signals