2342555

Information

• Patent Grant
• 2342555

• References
• Source

• Patent Number

  2,342,555

• Date Filed

  Not available

• Date Issued

  Tuesday, February 22, 1944
  80 years ago

• CPC

  • G04C21/14 - Electro-acoustic time announcement

• US Classifications

  • 369 - Dynamic information storage or retrieval