1931291

Information

• Patent Grant
• 1931291

• References
• Source

• Patent Number

  1,931,291

• Date Filed

  Not available

• Date Issued

  Tuesday, October 17, 1933
  91 years ago

• CPC

  • G04C15/0072 - Setting the time-indicating means

• US Classifications

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