1394957

Information

• Patent Grant
• 1394957

• References
• Source

• Patent Number

  1,394,957

• Date Filed

  Not available

• Date Issued

  Tuesday, October 25, 1921
  103 years ago

• CPC

  • G04B21/022 - with saw mechanism

• US Classifications

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