3905188

Information

• Patent Grant
• 3905188

• References
• Source

• Patent Number

  3,905,188

• Date Filed

  Not available

• Date Issued

  Tuesday, September 16, 1975
  49 years ago

• CPC

  • G04G99/00 - Subject matter not provided for in other groups of this subclass
  • G04C3/068 - provided with automatic control
  • H01L27/0647 - Bipolar transistors in combination with diodes, or capacitors, or resistors

• US Classifications

  • 368 - Horology: time measuring systems or devices
  • 257 - Active solid-state devices
  • 318 - Electricity: motive power systems
  • 331 - Oscillators
  • 968 - Horology