3077841

Information

• Patent Grant
• 3077841

• References
• Source

• Patent Number

  3,077,841

• Date Filed

  Not available

• Date Issued

  Tuesday, February 19, 1963
  63 years ago

• CPC

  • B61D7/16 - Closure elements for discharge openings
  • Y10T292/0944 - Rigid
  • Y10T292/0951 - Rigid
  • Y10T292/1041 - Rigid operating means
  • Y10T292/1083 - Rigid

• US Classifications

  • 105 - Railway rolling stock
  • 049 - Movable or removable closures
  • 220 - Receptacles
  • 292 - Closure fasteners
  • 298 - Land vehicles: dumping