3158969

Information

• Patent Grant
• 3158969

• References
• Source

• Patent Number

  3,158,969

• Date Filed

  Not available

• Date Issued

  Tuesday, December 1, 1964
  60 years ago

• CPC

  • B24B3/022 - relief grinding of milling cutters
  • B24B3/242 - of step drills

• US Classifications

  • 451 - Abrading