2689434

Information

• Patent Grant
• 2689434

• References
• Source

• Patent Number

  2,689,434

• Date Filed

  Not available

• Date Issued

  Tuesday, September 21, 1954
  71 years ago

• CPC

  • B24B53/07 - by means of forming tools having a shape complementary to that to be produced
  • B24B53/003 - using at least two conditioning tools

• US Classifications

  • 451 - Abrading
  • 125 - Stone working
  • 192 - Clutches and power-stop control