|국가/구분||United States(US) Patent 등록|
|국제특허분류(IPC7판)||A47J-031/02 A47J-031/10 A47J-031/18 A23F-003/00|
|미국특허분류(USC)||99/285 ; ; 99/295 ; ; 99/299 ; ; 99/305|
|발명자 / 주소|
|인용정보||피인용 횟수 : 19 인용 특허 : 8|
An infusion maker including a beaker having an inside annular flange in the middle, an inner cup mounted in the beaker for containing boiling water for steeping tea and having a bottom center through hole, a cap coupled to the inner cup at the bottom through a slip joint to hold a ball in a ball socket thereof, and a lid covered on the inner cup, the ball being forced to close the bottom center through hole of the inner cup when the inner cup is put in the beaker and supported on the inside annular flange of the beaker, the ball being disengaged from the...
An infusion maker comprising: a beaker having an inside annular flange raised around an inside wall thereof; an inner cup adapted for supported on the inside annular flange of said beaker for containing boiling water for steeping tea, said inner cup comprising a top open side, a bottom close side, a bottom center through hole through the center of said bottom close side, a downward annular flange downwardly raised from the periphery of said bottom close side, and a plurality of equiangularly spaced oblong slots at said downward annular flange; a cap moun...