1854022

Information

• Patent Grant
• 1854022

• References
• Source

• Patent Number

  1,854,022

• Date Filed

  Not available

• Date Issued

  Tuesday, April 12, 1932
  92 years ago

• CPC

  • E01B7/04 - Constructions with tongues turning about a vertical pivot at the end

• US Classifications

  • 246 - Railway switches and signals