Patent · US Expired

Container for particulate material

US4972887A · kind A · utility

14Cited by
1References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 2, 1989
Grant dateNov 27, 1990
Priority date
Expiry dateJun 2, 2009

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S222/01
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A container for supplying toner to a receiving apparatus of a copier or printer includes a containing portion having an opening in its bottom. A cover for the opening is slidable between positions covering and uncovering the opening. The cover includes a hinge permitting rotating a major portion of the cover to an unprotruding position when the cover is not covering the opening.

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