Patent · US Expired

Document counter

US4146218A · kind A · utility

6Cited by
4References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 16, 1977
Grant dateMar 27, 1979
Priority date
Expiry dateMay 16, 1997

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06K13/16
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

Apparatus for feeding, separating, counting and stacking documents at high speed.

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