Patent · US Expired

Twist bottom dispenser

US6283339A · kind A · utility

64Cited by
26References
12Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 31, 2000
Grant dateSep 4, 2001
Priority date
Expiry dateMar 31, 2020

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01F23/24
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A two-part dispenser for attachment to the bottom of a cylindrical container for dispensing a pre-calibrated amount of powdered or granular product from the container by twisting or rotating one part of the dispenser with respect to the container. The dispenser comprises a generally cup-shaped member adapted to engage the bottom of the container in fixed relationship therewith and a chambered member that fits within the cup-shaped member and can be rotated with respect to the cup-shaped member to dispense product.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.