1912368

Information

• Patent Grant
• 1912368

• References
• Source

• Patent Number

  1,912,368

• Date Filed

  Not available

• Date Issued

  Tuesday, June 6, 1933
  91 years ago

• CPC

  • G04C1/024 - winding-up springs

• US Classifications

  • 368 - Horology: time measuring systems or devices
  • 185 - Motors: spring, weight, or animal powered
  • 968 - Horology