1661863

Information

• Patent Grant
• 1661863

• References
• Source

• Patent Number

  1,661,863

• Date Filed

  Not available

• Date Issued

  Tuesday, March 6, 1928
  96 years ago

• CPC

  • B61D7/02 - with discharge openings in the bottoms
  • B61D3/06 - Flat-bottomed cars convertible into hoppers

• US Classifications

  • 105 - Railway rolling stock