1386881

Information

• Patent Grant
• 1386881

• References
• Source

• Patent Number

  1,386,881

• Date Filed

  Not available

• Date Issued

  Tuesday, August 9, 1921
  102 years ago

• CPC

  • G04B23/026 - Hammer driving; hammers; devices with several hammers or sounding bodies; vibrators

• US Classifications

  • 368 - Horology: time measuring systems or devices
  • 968 - Horology