448683

Information

• Patent Grant
• 448683

• References
• Source

• Patent Number

  448,683

• Date Filed

  Not available

• Date Issued

  Tuesday, March 24, 1891
  134 years ago

• CPC

  • B60B17/0013 - formed by two or more axially spaced discs

• US Classifications

  • 295 - Railway wheels and axles