1915149

Information

• Patent Grant
• 1915149

• References
• Source

• Patent Number

  1,915,149

• Date Filed

  Not available

• Date Issued

  Tuesday, June 20, 1933
  91 years ago

• CPC

  • B61D27/009 - Means for ventilating only
  • E04D2013/0463 - Dispersers

• US Classifications

  • 454 - Ventilation
  • 105 - Railway rolling stock