3173064

Information

• Patent Grant
• 3173064

• References
• Source

• Patent Number

  3,173,064

• Date Filed

  Not available

• Date Issued

  Tuesday, March 9, 1965
  59 years ago

• CPC

  • H04Q1/4423 - using one signalling frequency
  • H01H47/00 - Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current

• US Classifications

  • 361 - Electricity: electrical systems and devices