3766770

Information

• Patent Grant
• 3766770

• References
• Source

• Patent Number

  3,766,770

• Date Filed

  Not available

• Date Issued

  Tuesday, October 23, 1973
  51 years ago

• CPC

  • B21K7/02 - parts for permanent way

• US Classifications

  • 072 - Metal deforming
  • 246 - Railway switches and signals