1491234

Information

• Patent Grant
• 1491234

• References
• Source

• Patent Number

  1,491,234

• Date Filed

  Not available

• Date Issued

  Tuesday, April 22, 1924
  100 years ago

• CPC

  • B61D37/006 - for restaurant cars or the like

• US Classifications

  • 105 - Railway rolling stock
  • 454 - Ventilation