2891487

Information

• Patent Grant
• 2891487

• References
• Source

• Patent Number

  2,891,487

• Date Filed

  Not available

• Date Issued

  Tuesday, June 23, 1959
  65 years ago

• CPC

  • B61D7/16 - Closure elements for discharge openings
  • Y10T292/0939 - Cam

• US Classifications

  • 105 - Railway rolling stock
  • 220 - Receptacles
  • 222 - Dispensing
  • 292 - Closure fasteners
  • 298 - Land vehicles: dumping