1457168

Information

• Patent Grant
• 1457168

• References
• Source

• Patent Number

  1,457,168

• Date Filed

  Not available

• Date Issued

  Tuesday, May 29, 1923
  101 years ago

• CPC

  • B21J7/12 - the lever being a spring
  • A01B19/02 - with tools rigidly or elastically attached to a tool-frame

• US Classifications

  • 173 - Tool driving or impacting