1688040

Information

• Patent Grant
• 1688040

• References
• Source

• Patent Number

  1,688,040

• Date Filed

  Not available

• Date Issued

  Tuesday, October 16, 1928
  96 years ago

• CPC

  • B23B23/04 - Live centres
  • B23B2226/33 - Elastomers
  • B23B2260/0085 - Needle roller bearings
  • B23B2260/136 - Springs
  • Y10T82/2568 - Center

• US Classifications

  • 082 - Turning