588550

Information

• Patent Grant
• 588550

• References
• Source

• Patent Number

  588,550

• Date Filed

  Not available

• Date Issued

  Tuesday, August 24, 1897
  127 years ago

• CPC

  • G04B9/025 - Acoustical or electrical indicating means

• US Classifications

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