1721460

Information

• Patent Grant
• 1721460

• References
• Source

• Patent Number

  1,721,460

• Date Filed

  Not available

• Date Issued

  Tuesday, July 16, 1929
  95 years ago

• CPC

  • E01B7/06 - Constructions with flexible tongues or flexible fishplates

• US Classifications

  • 246 - Railway switches and signals