1871511

Information

• Patent Grant
• 1871511

• References
• Source

• Patent Number

  1,871,511

• Date Filed

  Not available

• Date Issued

  Tuesday, August 16, 1932
  92 years ago

• CPC

  • E01B23/06 - Switches Portable switches Turnouts

• US Classifications

  • 246 - Railway switches and signals