Patent · US Expired

Document cover

US5944353A · kind A · utility

23Cited by
1References
6Claims
0Family size

Inventor

Key dates

Filing dateJul 28, 1998
Grant dateAug 31, 1999
Priority date
Expiry dateJul 28, 2018

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB42F9/008
  • WIPO fieldOther consumer goods
  • WIPO sectorOther fields

Abstract

A document cover formed of a thin sheet material of synthetic resin, includes a front cover portion, a rear cover portion, and a fold portion formed in a boundary portion between the front cover portion and the rear cover portion. The fold portion includes a plurality of fold lines formed at intervals, whereby the cover can be folded easily in the vicinity where documents are bound, and after the front portion of the cover is once opened, the opened state of the cover can be held as it is.

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