427640

Information

• Patent Grant
• 427640

• References
• Source

• Patent Number

  427,640

• Date Filed

  Not available

• Date Issued

  Tuesday, May 13, 1890
  134 years ago

• CPC

  • F16C19/50 - Other types of ball or roller bearings
  • Y10T16/1873 - Cylinder
  • Y10T16/1887 - Antifrictionally mounted

• US Classifications

  • 384 - Bearings
  • 016 - Miscellaneous hardware