Cartridges sold filled with chemical flavorings in liquid form for electronic cigarettes; Cartridges sold filled with propylene glycol for electronic cigarettes; Devices for heating tobacco for the purpose of inhalation; Devices for heating tobacco substitutes for the purpose of inhalation; Electric cigarettes; Electronic cigarette atomizers sold empty; Electronic cigarette holders; Electronic cigarette refill cartridges sold empty; Electronic cigarettes and oral vaporizers for smokers; Elect...