3235669

Information

• Patent Grant
• 3235669

• References
• Source

• Patent Number

  3,235,669

• Date Filed

  Not available

• Date Issued

  Tuesday, February 15, 1966
  58 years ago

• CPC

  • H04Q1/30 - Signalling arrangements Manipulation of signalling currents

• US Classifications

  • 379 - Telephonic communications
  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems