1889171

Information

• Patent Grant
• 1889171

• References
• Source

• Patent Number

  1,889,171

• Date Filed

  Not available

• Date Issued

  Tuesday, November 29, 1932
  92 years ago

• CPC

  • B61D3/06 - Flat-bottomed cars convertible into hoppers

• US Classifications

  • 105 - Railway rolling stock