1448815

Information

• Patent Grant
• 1448815

• References
• Source

• Patent Number

  1,448,815

• Date Filed

  Not available

• Date Issued

  Tuesday, March 20, 1923
  102 years ago

• CPC

  • G04C1/028 - with linearly moving armature

• US Classifications

  • 368 - Horology: time measuring systems or devices
  • 968 - Horology