Patent · US Expired

Shoe insert

US4464850A · kind A · utility

22Cited by

5References

18Claims

0Family size

Assignee

Firma Carl Freudenberg · DE

Inventors

Heinrich Ebert · Weinheim, DE
Manfred Noe · Hemsbach, DE
Kurt Wind · Weinheim, DE
Gunter Bitsch · Hemsbach, DE

Key dates

Filing date	Jul 8, 1982
Grant date	Aug 14, 1984
Priority date	—
Expiry date	Jul 8, 2002

Classification

Technology area (CPC A)Human Necessities
CPC primaryA43B17/14
WIPO fieldOther consumer goods
WIPO sectorOther fields

Abstract

A shoe insert of a cross-linked polyolefin body foamed with closed pores or cells and having a fiber layer arranged on one or both surfaces, the fiber layer consisting of fibers and/or filaments which are distributed over the surfaces in a pattern and which at least partially penetrate the polyolefin body.

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