1337527

Information

• Patent Grant
• 1337527

• References
• Source

• Patent Number

  1,337,527

• Date Filed

  Not available

• Date Issued

  Tuesday, April 20, 1920
  104 years ago

• CPC

  • E01B7/28 - Crossings
  • E01B7/00 - Switches Crossings
  • E01B2202/027 - Including a component perpendicular to the plane of the rails

• US Classifications

  • 246 - Railway switches and signals