2178441

Information

• Patent Grant
• 2178441

• References
• Source

• Patent Number

  2,178,441

• Date Filed

  Not available

• Date Issued

  Tuesday, October 31, 1939
  85 years ago

• CPC

  • B23Q35/109 - with a continuously turning pattern
  • Y10T409/30224 - and provision for circumferential relative movement of cutter and work
  • Y10T409/303136 - to make a double curvature foil
  • Y10T409/305992 - with means to effect stopping upon completion of operation

• US Classifications

  • 409 - Gear cutting, milling, or planing