1731639

Information

• Patent Grant
• 1731639

• References
• Source

• Patent Number

  1,731,639

• Date Filed

  Not available

• Date Issued

  Tuesday, October 15, 1929
  95 years ago

• CPC

  • B23C3/22 - Forming overlapped joints
  • Y10T409/309072 - including cutter limited to rotary motion

• US Classifications

  • 409 - Gear cutting, milling, or planing
  • 269 - Work holders