2573291

Information

• Patent Grant
• 2573291

• References
• Source

• Patent Number

  2,573,291

• Date Filed

  Not available

• Date Issued

  Tuesday, October 30, 1951
  73 years ago

• CPC

  • H03J1/045 - Indication of the tuning band, the bandwidth, tone control, the channel number, the frequency, or the like
  • Y10S40/901 - Tv/radio program indicator

• US Classifications

  • 116 - Signals and indicators
  • 040 - Card, picture, or sign exhibiting