1779707

Information

• Patent Grant
• 1779707

• References
• Source

• Patent Number

  1,779,707

• Date Filed

  Not available

• Date Issued

  Tuesday, October 28, 1930
  94 years ago

• CPC

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

• US Classifications

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