2774888

Information

• Patent Grant
• 2774888

• References
• Source

• Patent Number

  2,774,888

• Date Filed

  Not available

• Date Issued

  Tuesday, December 18, 1956
  68 years ago

• CPC

  • H04Q3/521 - using semiconductors in the switching stages
  • H03K17/601 - using transformer coupling
  • Y10S74/06 - Transistor-electronic gearing controls

• US Classifications

  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems
  • 074 - Machine element or mechanism
  • 123 - Internal-combustion engines