3813821

Information

• Patent Grant
• 3813821

• References
• Source

• Patent Number

  3,813,821

• Date Filed

  Not available

• Date Issued

  Tuesday, June 4, 1974
  50 years ago

• CPC

  • B21H5/045 - Finishing bevel gear teeth
  • Y10T29/477 - of gear article

• US Classifications

  • 451 - Abrading
  • 029 - Metal working