2177147

Information

• Patent Grant
• 2177147

• References
• Source

• Patent Number

  2,177,147

• Date Filed

  Not available

• Date Issued

  Tuesday, October 24, 1939
  85 years ago

• CPC

  • B23F1/08 - by broaching by broach-milling
  • Y10T409/107155 - Rectilinearly reciprocating cutter

• US Classifications

  • 409 - Gear cutting, milling, or planing