1261382

Information

• Patent Grant
• 1261382

• References
• Source

• Patent Number

  1,261,382

• Date Filed

  Not available

• Date Issued

  Tuesday, April 2, 1918
  106 years ago

• CPC

  • G04B21/005 - Periodical acoustic signalling arrangements

• US Classifications

  • 084 - Music
  • 968 - Horology