Patent ID: 7819575

Claim:
A twinkle light bulb set, comprising: a plurality of twinkle light bulb apparatuses, each twinkle light bulb apparatus having a twinkle light bulb socket and a twinkle light socket holder, the twinkle light bulb socket being removably retained in and electrically coupled with the twinkle light bulb socket holder; a plurality of steady burning light bulb apparatuses, each steady burning light bulb apparatus having a steady burning light bulb socket and a steady burning light socket holder, the steady burning light bulb socket being removably retained in and electrically coupled with the steady burning light bulb socket holder; the plurality of twinkle light bulb apparatuses being electrically connected to the plurality of steady burning light bulb apparatuses; the twinkle light bulb socket including twinkle light bulb socket means for being not only replaceable by a replacement twinkle light bulb socket but also replaceable by a replacement steady burning light bulb socket; and the steady burning light bulb socket being only replaceable by a replacement steady burning light bulb socket and not being replaceable by a replacement twinkle light bulb socket.