3889424

Information

• Patent Grant
• 3889424

• References
• Source

• Patent Number

  3,889,424

• Date Filed

  Not available

• Date Issued

  Tuesday, June 17, 1975
  49 years ago

• CPC

  • B24B23/08 - Portable grinding machines designed for fastening on work-pieces or other parts of particular section
  • B24B5/363 - for grinding surfaces of revolution in situ
  • B24B17/025 - for grinding rotating workpieces (three dimensional)

• US Classifications

  • 451 - Abrading