2277997

Information

• Patent Grant
• 2277997

• References
• Source

• Patent Number

  2,277,997

• Date Filed

  Not available

• Date Issued

  Tuesday, March 31, 1942
  82 years ago

• CPC

  • B23D3/02 - for cutting grooves
  • Y10T409/506232 - Reciprocating cutter infeed means
  • Y10T409/507708 - with rack to drive cutter

• US Classifications

  • 409 - Gear cutting, milling, or planing
  • 451 - Abrading