2855677

Information

• Patent Grant
• 2855677

• References
• Source

• Patent Number

  2,855,677

• Date Filed

  Not available

• Date Issued

  Tuesday, October 14, 1958
  66 years ago

• CPC

  • B44B3/001 - by copying
  • B24B3/022 - relief grinding of milling cutters
  • B44B3/02 - wherein plane surfaces are worked

• US Classifications

  • 033 - Geometrical instruments