1428824

Information

• Patent Grant
• 1428824

• References
• Source

• Patent Number

  1,428,824

• Date Filed

  Not available

• Date Issued

  Tuesday, September 12, 1922
  102 years ago

• CPC

  • B61D7/16 - Closure elements for discharge openings
  • Y10T74/1561 - Reversible
  • Y10T74/1576 - Holding pawl lifter

• US Classifications

  • 074 - Machine element or mechanism
  • 105 - Railway rolling stock