622242

Information

• Patent Grant
• 622242

• References
• Source

• Patent Number

  622,242

• Date Filed

  Not available

• Date Issued

  Tuesday, April 4, 1899
  126 years ago

• CPC

  • G10K1/344 - for an oscillating bell which is driven once per cycle

• US Classifications

  • 116 - Signals and indicators