3456389

Information

• Patent Grant
• 3456389

• References
• Source

• Patent Number

  3,456,389

• Date Filed

  Not available

• Date Issued

  Tuesday, July 22, 1969
  55 years ago

• CPC

  • B61D17/06 - End walls
  • B61D19/008 - both swinging and sliding

• US Classifications

  • 049 - Movable or removable closures
  • 105 - Railway rolling stock