(under subclass 63) Subject matter where the interconnected storage elements are transistors or diodes.
SEE OR SEARCH THIS CLASS, SUBCLASS:
104, 105 and 174+, for particular transistor or diode storage elements.
SEE OR SEARCH CLASS
257, Active Solid-State Devices (e.g., Transistors, Solid-State Diodes), appropriate subclasses for transistors and diodes, per se.
327, Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems, appropriate subclasses for miscellaneous circuits using transistors or diodes.