722684

Information

• Patent Grant
• 722684

• References
• Source

• Patent Number

  722,684

• Date Filed

  Not available

• Date Issued

  Tuesday, March 17, 1903
  121 years ago

• CPC

  • G04C1/028 - with linearly moving armature

• US Classifications

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