2170389

Information

• Patent Grant
• 2170389

• References
• Source

• Patent Number

  2,170,389

• Date Filed

  Not available

• Date Issued

  Tuesday, August 22, 1939
  85 years ago

• CPC

  • B23Q9/0014 - Portable machines provided with or cooperating with guide means supported directly by the workpiece during action
  • B23C3/30 - Milling straight grooves
  • Y10T409/306272 - For machining commutator

• US Classifications

  • 409 - Gear cutting, milling, or planing