1554771

Information

• Patent Grant
• 1554771

• References
• Source

• Patent Number

  1,554,771

• Date Filed

  Not available

• Date Issued

  Tuesday, September 22, 1925
  99 years ago

• CPC

  • E01B23/06 - Switches Portable switches Turnouts

• US Classifications

  • 246 - Railway switches and signals