3905568

Information

• Patent Grant
• 3905568

• References
• Source

• Patent Number

  3,905,568

• Date Filed

  Not available

• Date Issued

  Tuesday, September 16, 1975
  49 years ago

• CPC

  • E01B7/08 - Other constructions of tongues

• US Classifications

  • 246 - Railway switches and signals
  • 104 - Railways