2476848

Information

• Patent Grant
• 2476848

• References
• Source

• Patent Number

  2,476,848

• Date Filed

  Not available

• Date Issued

  Tuesday, July 19, 1949
  75 years ago

• CPC

  • H04R21/04 - Gramophone pick-ups using a stylus Recorders using a stylus

• US Classifications

  • 369 - Dynamic information storage or retrieval
  • 174 - Electricity: conductors and insulators
  • 338 - Electrical resistors