3664886

Information

• Patent Grant
• 3664886

• References
• Source

• Patent Number

  3,664,886

• Date Filed

  Not available

• Date Issued

  Tuesday, May 23, 1972
  53 years ago

• CPC

  • B23F19/04 - Lapping spur gears by making use of a correspondingly shaped counterpart

• US Classifications

  • 148 - Metal treatment
  • 476 - Friction gear transmission systems or components