|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||62/457.4 ; 62/371 ; 220/739|
|발명자 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 18 인용 특허 : 4|
A beverage container cooler proportioned for use in a standard cup holder, comprising a rigid tube having a hollow, an open upper end and a closed lower end, and an interior and exterior, and insulation covering the exterior of the upper end.
[ Having thus set forth my invention, what I claim as new, useful, non-obvious and, accordingly, secure by Letters Patent of the United States is:] [1.] A temperature maintenance device for a beverage container, the device comprising:(a) a rigid longitudinal tube having a circumferential interior thereby defining a tubular interior wall and exterior thereof, said tube including an open ended upper region and an extended lower region having a closed end thereof thereby defining a planar bottom end wall said tube having a constant interior diameter, thereb...