1387862

Information

• Patent Grant
• 1387862

• References
• Source

• Patent Number

  1,387,862

• Date Filed

  Not available

• Date Issued

  Tuesday, August 16, 1921
  103 years ago

• CPC

  • B23B29/287 - Turret toolholder with manually operated angular positioning devices
  • H03G3/22 - in amplifiers having discharge tubes
  • Y10T29/5152 - with turret mechanism

• US Classifications

  • 029 - Metal working