1882891

Information

• Patent Grant
• 1882891

• References
• Source

• Patent Number

  1,882,891

• Date Filed

  Not available

• Date Issued

  Tuesday, October 18, 1932
  92 years ago

• CPC

  • G04C1/024 - winding-up springs

• US Classifications

  • 185 - Motors: spring, weight, or animal powered
  • 968 - Horology