Patent · US Expired

Method for protecting a print

US4809451A · kind A · utility

18Cited by
6References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 3, 1988
Grant dateMar 7, 1989
Priority date
Expiry dateFeb 3, 2008

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG09F3/203
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A print holder for preserving a print comprises a combination of an upper plate with an adhesive layer on one side and with an opening as a window for observing an image, and a lower plate with an adhesive layer on one side, a print being inserted between the upper plate and the lower plate, thereby making the image locate in the opening, the upper plate and the lower plate being pressed together, as by placed one upon another.

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