Patent · US Expired

File folder

US5575504A · kind A · utility

11Cited by

1References

6Claims

0Family size

Inventor

Konrad Wagner · Friedberg, DE

Key dates

Filing date	Oct 20, 1994
Grant date	Nov 19, 1996
Priority date	—
Expiry date	Oct 20, 2014

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB42F13/002
WIPO fieldOther consumer goods
WIPO sectorOther fields

Abstract

A file folder which remains neatly open and neatly closed is comprised of a front, a back cover and a spine made in one piece and connected along two folds, and a groove milled along at least one of these folds.

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