1219108

Information

• Patent Grant
• 1219108

• References
• Source

• Patent Number

  1,219,108

• Date Filed

  Not available

• Date Issued

  Tuesday, March 13, 1917
  107 years ago

• CPC

  • G04C1/026 - having unipolar rotating armature

• US Classifications

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