278357

Information

• Patent Grant
• 278357

• References
• Source

• Patent Number

  278,357

• Date Filed

  Not available

• Date Issued

  Tuesday, May 29, 1883
  141 years ago

• CPC

  • G04C21/04 - Indicating the time of the day
  • G04C21/00 - Producing acoustic time signals by electrical means

• US Classifications

  • 368 - Horology: time measuring systems or devices