Select Point or PolyGon Polyline in Box

hi all
i have question to postgis
i have table Pointdemo
I want select all point in my Box("Rectangle") on PostGis
my box is corrdinate
ex: full extend is:Box(110638 2587481, 903350 1972446) ---> xmin ymin, xmax ymax
i want select point in Box(295149 2315499, 465992 2163790)  ---> xmin ymin, xmax ymax
How will i do that ?????