1340059

Information

• Patent Grant
• 1340059

• References
• Source

• Patent Number

  1,340,059

• Date Filed

  Not available

• Date Issued

  Tuesday, May 11, 1920
  104 years ago

• CPC

  • G10K1/341 - for a still-standing bell

• US Classifications

  • 116 - Signals and indicators
  • 340 - Communications: electrical