3556469

Information

• Patent Grant
• 3556469

• References
• Source

• Patent Number

  3,556,469

• Date Filed

  Not available

• Date Issued

  Tuesday, January 19, 1971
  53 years ago

• CPC

  • B61D7/16 - Closure elements for discharge openings

• US Classifications

  • 251 - Valves and valve actuation
  • 105 - Railway rolling stock
  • 222 - Dispensing