1212551

Information

• Patent Grant
• 1212551

• References
• Source

• Patent Number

  1,212,551

• Date Filed

  Not available

• Date Issued

  Tuesday, January 16, 1917
  108 years ago

• CPC

  • F16C33/52 - with no part entering between, or touching, the bearing surfaces of the rollers
  • F16C33/4688 - with rolling elements with smaller diameter than the load carrying rollers
  • Y10T29/49691 - Cage making

• US Classifications

  • 384 - Bearings
  • 029 - Metal working