1878690

Information

• Patent Grant
• 1878690

• References
• Source

• Patent Number

  1,878,690

• Date Filed

  Not available

• Date Issued

  Tuesday, September 20, 1932
  92 years ago

• CPC

  • B23B23/04 - Live centres
  • B23B2215/72 - Tubes, pipes
  • B23B2260/0087 - Preloading of bearings
  • Y10T82/2568 - Center

• US Classifications

  • 082 - Turning