3868518

Information

• Patent Grant
• 3868518

• References
• Source

• Patent Number

  3,868,518

• Date Filed

  Not available

• Date Issued

  Tuesday, February 25, 1975
  49 years ago

• CPC

  • H03K3/351 - the devices being unijunction transistors
  • B60R25/1003 - Alarm systems characterised by arm or disarm features
  • B60R25/1004 - Alarm systems characterised by the type of sensor
  • B60R2025/1013 - Alarm systems characterised by the type of warning signal

• US Classifications

  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems
  • 361 - Electricity: electrical systems and devices