1204842

Information

• Patent Grant
• 1204842

• References
• Source

• Patent Number

  1,204,842

• Date Filed

  Not available

• Date Issued

  Tuesday, November 14, 1916
  108 years ago

• CPC

  • B63B22/163 - comprising a bell or other audible signal

• US Classifications

  • 116 - Signals and indicators
  • 367 - Communications, electrical: acoustic wave systems and devices