Patent · US Expired

Plug and outer cap for closing a container

US4765379A · kind A · utility

3Cited by
2References
12Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 18, 1987
Grant dateAug 23, 1988
Priority date
Expiry dateDec 18, 2007

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61J1/03
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

The plug includes a lower tubular element penetrating into an upper portion of the container and an upper element provided for being covered by an outer cap. A bottom of the tubular element is formed with cells and a top of the upper element is formed with an upper circular recess also having cells. The cells are provided for temporarily retaining pharmaceutical granules.

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