1889502

Information

• Patent Grant
• 1889502

• References
• Source

• Patent Number

  1,889,502

• Date Filed

  Not available

• Date Issued

  Tuesday, November 29, 1932
  92 years ago

• CPC

  • B24B41/063 - Lubrication of centres
  • B23B23/02 - Dead centres
  • B23B2233/24 - Centres or drivers with inserts
  • B23B2250/12 - Cooling and lubrication
  • Y10T82/2568 - Center

• US Classifications

  • 082 - Turning
  • 384 - Bearings