20057

Information

• Patent Grant
• 20057

• References
• Source

• Patent Number

  20,057

• Date Filed

  Not available

• Date Issued

  Tuesday, April 27, 1858
  166 years ago

• CPC

  • B61G9/24 - Linkages between draw-bar and framework
  • Y10S220/16 - Pressure indicators

• US Classifications

  • 213 - Railway draft appliances