494009

Information

• Patent Grant
• 494009

• References
• Source

• Patent Number

  494,009

• Date Filed

  Not available

• Date Issued

  Tuesday, March 21, 1893
  133 years ago

• CPC

  • B60B33/08 - Ball castors
  • Y10T16/1887 - Antifrictionally mounted

• US Classifications

  • 016 - Miscellaneous hardware