2839173

Information

• Patent Grant
• 2839173

• References
• Source

• Patent Number

  2,839,173

• Date Filed

  Not available

• Date Issued

  Tuesday, June 17, 1958
  66 years ago

• CPC

  • G07F17/28 - for radio apparatus

• US Classifications

  • 194 - Check-actuated control mechanisms
  • 346 - Recorders