1991937

Information

• Patent Grant
• 1991937

• References
• Source

• Patent Number

  1,991,937

• Date Filed

  Not available

• Date Issued

  Tuesday, February 19, 1935
  90 years ago

• CPC

  • B23D37/04 - for broaching inner surfaces
  • Y10T29/5182 - Flash remover
  • Y10T409/402625 - Means to remove flash or burr
  • Y10T409/406475 - Cutter infeed means

• US Classifications

  • 409 - Gear cutting, milling, or planing
  • 029 - Metal working