1017187

Information

• Patent Grant
• 1017187

• References
• Source

• Patent Number

  1,017,187

• Date Filed

  Not available

• Date Issued

  Tuesday, February 13, 1912
  112 years ago

• CPC

  • G04B1/225 - with the aid of an interposed power-accumulator (secondary spring) which is always tensioned

• US Classifications

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