521321

Information

• Patent Grant
• 521321

• References
• Source

• Patent Number

  521,321

• Date Filed

  Not available

• Date Issued

  Tuesday, June 12, 1894
  131 years ago

• CPC

  • B60B17/00 - Wheels characterised by rail-engaging elements
  • B23K5/006 - specially adapted for particular articles or work
  • Y10T29/49485 - Multiple part or composite

• US Classifications

  • 029 - Metal working
  • 295 - Railway wheels and axles