3184586

Information

• Patent Grant
• 3184586

• References
• Source

• Patent Number

  3,184,586

• Date Filed

  Not available

• Date Issued

  Tuesday, May 18, 1965
  59 years ago

• CPC

  • F21V33/0056 - Audio equipment
  • F21S13/10 - with a standard
  • H04R1/028 - associated with devices performing functions other than acoustics

• US Classifications

  • 362 - Illumination
  • 381 - Electrical audio signal processing systems and devices
  • D14 - Recording, communication, or information retrieval equipment