Patent · US Expired

Developing device and electronic copying apparatus

US4647180A · kind A · utility

27Cited by
10References
17Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 23, 1985
Grant dateMar 3, 1987
Priority date
Expiry dateOct 23, 2005

Classification

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

Abstract

A developing device is constructed so that a developing agent resupply section is located side by side with a developing chamber, and a feed member for feeding a developing agent into the developing chamber is disposed in the developing agent resupply section.

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