Patent ID: 7878188

Claim:
A self-heating beverage container, comprising: a housing having upper and lower ends and defining an open interior area, said lower end defining a cavity adjacent to and separated from said open interior area, said upper end defining a primary opening and at least one secondary opening; a heater portion removably coupled to said housing, said heater portion having a wall defining a cartridge area and being within said cavity when said heater portion is coupled to said housing; a first reactant in said cartridge area; a second reactant in said cartridge area, said first and second reactants being selectively combinable to produce heat; a cartridge receivable in said cartridge area, said first and second reactants being receivable in said cartridge; a seal selectively separating said first and second reactants; means for puncturing said seal to mix said first and second reactants to produce heat; a selection portion having a configuration complementary to a configuration of said housing for placement upwardly adjacent said at least one secondary opening, said selection portion being selectively separable from said housing; a plurality of flavoring agents in said selection portion, each said flavoring agent being separated from each other said flavoring agent, each said flavoring agent being selectively separated from said open interior area by at least one breakable barrier; means for piercing the at least one breakable barrier; a cap selectively covering said primary opening; wherein: said selection portion includes a plurality of pushable buttons, each pushable button having an accessible activation end and a contact end adjacent the at least one breakable barrier; said means for piercing the at least one breakable barrier includes said plurality of pushable buttons; said heater portion includes a bottom wall; said means for puncturing said seal includes a spear extending from adjacent said heater portion bottom wall into said cartridge area, said spear being movable between lowered and raised positions; and movement of said spear from said lowered position to said raised position punctures said seal.