|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||446/129 ; 446/071 ; 446/175 ; 446/236|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 4 인용 특허 : 4|
A cup consists of an inner body, an outer body and a rotatable base located between a hollow space formed between the inner body and the outer body. The rotatable base has a decorative paper and a plurality of magnets facing coils contained in an annular groove opening to the bottom of the outer body. A battery unit, a control circuit and the coils are contained in the annular groove. When the coils are energized by electricity of the battery unit, then the rotatable base together with the decorative paper is rotated by repelling force of magnetic fields...
[ What is claimed is:] [1.] A cup comprising:an inner body having an upper large diameter portion, a lower small diameter portion, and a center recess formed in a bottom;an outer body having the same diameter of said upper large diameter portion of said inner body to be assembled around said inner lower small diameter portion of said inner body, and an upright post extending up from a center of its bottom;a picture is adhered on an outer surface of said lower small diameter portion of said inner body, an annular groove is formed in a lower portion of sai...