1679291

Information

• Patent Grant
• 1679291

• References
• Source

• Patent Number

  1,679,291

• Date Filed

  Not available

• Date Issued

  Tuesday, July 31, 1928
  96 years ago

• CPC

  • B25D17/046 - Sleeve-like handles surrounding the tool bit
  • Y10T279/17085 - Key retainer

• US Classifications

  • 173 - Tool driving or impacting
  • 279 - Chucks or sockets
  • 433 - Dentistry