1978924

Information

• Patent Grant
• 1978924

• References
• Source

• Patent Number

  1,978,924

• Date Filed

  Not available

• Date Issued

  Tuesday, October 30, 1934
  90 years ago

• CPC

  • B23F5/14 - the tool having the same profile as a tooth or teeth of a rack
  • Y10T409/107314 - Cutter comprising a rack

• US Classifications

  • 409 - Gear cutting, milling, or planing