2561698

Information

• Patent Grant
• 2561698

• References
• Source

• Patent Number

  2,561,698

• Date Filed

  Not available

• Date Issued

  Tuesday, July 24, 1951
  73 years ago

• CPC

  • H04H60/04 - Studio equipment Interconnection of studios
  • H04H60/19 - on transmission of information

• US Classifications

  • 360 - Dynamic magnetic information storage or retrieval