2251699

Information

• Patent Grant
• 2251699

• References
• Source

• Patent Number

  2,251,699

• Date Filed

  Not available

• Date Issued

  Tuesday, August 5, 1941
  83 years ago

• CPC

  • B61L29/023 - Special gates

• US Classifications

  • 049 - Movable or removable closures
  • 184 - Lubrication