3786600

Information

• Patent Grant
• 3786600

• References
• Source

• Patent Number

  3,786,600

• Date Filed

  Not available

• Date Issued

  Tuesday, January 22, 1974
  50 years ago

• CPC

  • B24B9/144 - the spectacles being used as a template
  • B24B17/00 - Special adaptations of machines or devices for grinding controlled by patterns, drawings, magnetic tapes or the like Accessories therefor
  • B24B17/10 - involving electrical transmission means only
  • Y10T409/303248 - with provision for circumferential relative movement of cutter and work

• US Classifications

  • 451 - Abrading
  • 409 - Gear cutting, milling, or planing