1377216

Information

• Patent Grant
• 1377216

• References
• Source

• Patent Number

  1,377,216

• Date Filed

  Not available

• Date Issued

  Tuesday, May 10, 1921
  103 years ago

• CPC

  • E01B7/18 - Combinations of switches and crossings

• US Classifications

  • 246 - Railway switches and signals