3897656

Information

• Patent Grant
• 3897656

• References
• Source

• Patent Number

  3,897,656

• Date Filed

  Not available

• Date Issued

  Tuesday, August 5, 1975
  49 years ago

• CPC

  • B23F5/08 - the tool being a grinding disc having the same profile as the tooth or teeth of a rack
  • Y10T409/107791 - Using rotary cutter

• US Classifications

  • 451 - Abrading
  • 033 - Geometrical instruments
  • 409 - Gear cutting, milling, or planing