Patent ID: 7014250

Claim:
A portable shelter comprising: a lower rigid shell, said lower shell having a bottom wall and lower side walls extending upwardly from said bottom wall, said lower side walls including a top peripheral edge, wherein said lower shell is waterproof and capable of floating; an upper rigid shell having a top wall and upper side walls extending downwardly from said top wall, said upper side walls including a bottom peripheral edge, said upper shell being configured to be received in mated relation with said lower shell, wherein complementary mating formations on said bottom peripheral edge of said upper shell and on said top peripheral edge of said lower side walls cooperate to align and seal said upper shell and said lower shell; and at least one opening in said upper and lower side walls whereby a person can enter said shelter; said shelter having a transport configuration wherein said upper shell is removed from said lower shell, said upper shell is inverted wherein said upper side walls extend upwardly from said top wall, and said upper shell is placed within said lower shell for transport and storage.