Patent ID: 7237361

Claim:
A residential building comprising a plurality of dwellings, each of said dwellings includes a single-storey dwelling part and a two-storey dwelling part, said single-storey dwelling part of a lower dwelling being disposed beneath said single-story dwelling part of an upper dwelling, said two-storey dwelling part of said lower dwelling having a floor which is on the same level as a floor of said one-storey dwelling part of said lower dwelling, said two-story dwelling part of said lower dwelling having a ceiling which is on the same level as a ceiling of said one-storey dwelling part of said upper dwelling, said two-storey dwelling part of said lower dwelling having an open space which extends from said floor of said two-story dwelling part of said lower dwelling to said ceiling of said two-storey dwelling part of said lower dwelling and is at least partially defined by a two-storey first wall which extends from the floor of said lower dwelling to the ceiling of said two-storey dwelling part of said lower dwelling and a one-storey second wall which extends from the ceiling of said one-storey dwelling part of said lower dwelling to the ceiling of the two-storey dwelling part of said lower dwelling, said one-storey second wall of said two-storey dwelling part of said lower dwelling forming at least a portion of a one-storey wall of said single-storey dwelling part of said upper dwelling, said one-storey second wall of said two-storey dwelling part of said lower dwelling separates at least a portion of said single-storey dwelling part of said upper dwelling from said two-storey dwelling part of said lower dwelling.