2691921

Information

• Patent Grant
• 2691921

• References
• Source

• Patent Number

  2,691,921

• Date Filed

  Not available

• Date Issued

  Tuesday, October 19, 1954
  70 years ago

• CPC

  • B23G1/32 - by milling
  • B23G2240/60 - Thread whirling
  • Y10T82/2527 - having hollow cutter head
  • Y10T408/91 - Machine frame
  • Y10T409/30056 - with planetary cutter
  • Y10T409/300728 - Means to infeed the cutter

• US Classifications

  • 409 - Gear cutting, milling, or planing
  • 082 - Turning
  • 408 - Cutting by use of rotating axially moving tool
  • 470 - Threaded, headed fastener, or washer making: process and apparatus