1626821

Information

• Patent Grant
• 1626821

• References
• Source

• Patent Number

  1,626,821

• Date Filed

  Not available

• Date Issued

  Tuesday, May 3, 1927
  97 years ago

• CPC

  • B23F9/08 - by milling
  • B23F21/124 - with cutting teeth disposed on the inner periphery of a ring
  • B23F21/128 - in exchangeable arrangement
  • Y10T409/101749 - Process
  • Y10T409/102385 - Plural hobs
  • Y10T409/103498 - Infeed of cutter

• US Classifications

  • 409 - Gear cutting, milling, or planing