3910225

Information

• Patent Grant
• 3910225

• References
• Source

• Patent Number

  3,910,225

• Date Filed

  Not available

• Date Issued

  Tuesday, October 7, 1975
  49 years ago

• CPC

  • G10K1/341 - for a still-standing bell

• US Classifications

  • 116 - Signals and indicators
  • 084 - Music