1397521

Information

• Patent Grant
• 1397521

• References
• Source

• Patent Number

  1,397,521

• Date Filed

  Not available

• Date Issued

  Tuesday, November 22, 1921
  103 years ago

• CPC

  • G01G21/085 - of knife-edge bearings
  • Y10T403/7003 - One rod is encompassed by the other

• US Classifications

  • 403 - Joints and connections