3890018

Information

• Patent Grant
• 3890018

• References
• Source

• Patent Number

  3,890,018

• Date Filed

  Not available

• Date Issued

  Tuesday, June 17, 1975
  49 years ago

• CPC

  • F16C33/103 - retained in or near the bearing
  • E21B10/246 - with pumping means for feeding lubricant
  • F16C2352/00 - Apparatus for drilling

• US Classifications

  • 384 - Bearings