Patent · US Expired

Method of producing correspondence

US4993752A · kind A · utility

39Cited by
7References
2Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 18, 1989
Grant dateFeb 19, 1991
Priority date
Expiry dateDec 18, 2009

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/1486
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A method of producing correspondence wherein stationery is equipped at a suitable location with a transparent pressure sensitive adhesive-backed label for coincidental typing with the stationery and which is removable thereafter for application to a blank envelope.

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