3883994

Information

• Patent Grant
• 3883994

• References
• Source

• Patent Number

  3,883,994

• Date Filed

  Not available

• Date Issued

  Tuesday, May 20, 1975
  50 years ago

• CPC

  • B24B17/00 - Special adaptations of machines or devices for grinding controlled by patterns, drawings, magnetic tapes or the like Accessories therefor
  • Y10T29/50 - Convertible metal working machine
  • Y10T409/302968 - including means for operation without manual intervention

• US Classifications

  • 451 - Abrading
  • 029 - Metal working
  • 144 - Woodworking
  • 409 - Gear cutting, milling, or planing