2721503

Information

• Patent Grant
• 2721503

• References
• Source

• Patent Number

  2,721,503

• Date Filed

  Not available

• Date Issued

  Tuesday, October 25, 1955
  69 years ago

• CPC

  • B44B3/001 - by copying
  • Y10T409/302688 - with provision for circumferential relative movement of cutter and work

• US Classifications

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