3718072

Information

• Patent Grant
• 3718072

• References
• Source

• Patent Number

  3,718,072

• Date Filed

  Not available

• Date Issued

  Tuesday, February 27, 1973
  51 years ago

• CPC

  • B44B3/001 - by copying
  • B44B2700/021 - by copying
  • Y10T409/303696 - Templet

• US Classifications

  • 409 - Gear cutting, milling, or planing
  • 033 - Geometrical instruments