2829202

Information

• Patent Grant
• 2829202

• References
• Source

• Patent Number

  2,829,202

• Date Filed

  Not available

• Date Issued

  Tuesday, April 1, 1958
  66 years ago

• CPC

  • H04M1/03 - Constructional features of telephone transmitters or receivers
  • H04R25/554 - using a wireless connection
  • H04R25/04 - comprising pocket amplifiers
  • H04R2225/51 - Aspects of antennas and their circuitry in and for hearing aids

• US Classifications

  • 381 - Electrical audio signal processing systems and devices
  • 379 - Telephonic communications