3322947

Information

• Patent Grant
• 3322947

• References
• Source

• Patent Number

  3,322,947

• Date Filed

  Not available

• Date Issued

  Tuesday, May 30, 1967
  57 years ago

• CPC

  • B61K5/06 - Derailing or re-railing blocks

• US Classifications

  • 246 - Railway switches and signals