Disposable unitary coffee maker

Claim 1

A disposable unitary coffee maker comprising, in combination, a base portion defining a reservoir having an open upper end defined by a circumferentially extending flange, a top portion having similar size configuration to said base portion and having an internal chamber, said top portion having an open lower end in communication with said internal chamber and defining a circumferentially extending flange, a predetermined quantity of purified water enclosed within said reservoir, means permanently securing said circumferentially extending flanges together in liquid-tight relation so that said internal chamber in said top portion is disposed above said reservoir, pump means including a pair of substantially identically shaped pump housing sections having mutually cooperable circumferential flanges thereon interposed between said flanges defined by said base and top portion and having circumferential sealing relation with said base and top portions, said pump housing sections being mounted so as to establish upper and lower pump housing sections which separate said reservoir from said internal chamber and define a coffee charge receiving chamber therebetween, the lower one of said housing sections having a tubular portion communicating with said charge chamber and extending downwardly within said purified water, the upper one of said pump housing sections having a tubular portion extending upwardly within said internal chamber in said top portion, a coffee charge having a circumferential flange interposed and captured between said circumferential flanges of said pump housing sections so as to be permanently disposed within said charge chamber, said coffee charge being adapted for snug fitting relation within said pump housing sections such that heating said water to a predetermined temperature effects flow of water through said pump means and through said coffee charge, and a heat fuse disposed within said tubular portion of said lower one of said housing sections to prevent flow of water from said base portion through said coffee charge until said water is heated to a predetermined temperature of approximately 200° F., said top portion defining a normally closed selectively openable pouring spout facilitating pouring of liquid from said top portion.