2816486

Information

• Patent Grant
• 2816486

• References
• Source

• Patent Number

  2,816,486

• Date Filed

  Not available

• Date Issued

  Tuesday, December 17, 1957
  67 years ago

• CPC

  • B23Q35/105 - of two lines
  • Y10T409/30308 - to make a double curvature foil

• US Classifications

  • 409 - Gear cutting, milling, or planing