1637969

Information

• Patent Grant
• 1637969

• References
• Source

• Patent Number

  1,637,969

• Date Filed

  Not available

• Date Issued

  Tuesday, August 2, 1927
  97 years ago

• CPC

  • B23D1/08 - by movement of the tool
  • Y10T409/506888 - with pivoting link to drive cutter

• US Classifications

  • 409 - Gear cutting, milling, or planing