Patent · US Expired

Floor covering made of an elastomer material having a relief-type patterned surface

US6939598B2 · kind B2 · utility

9Cited by

3References

15Claims

0Family size

Assignee

Firma Carl Freudenberg · DE

Inventors

Klaus Heckel · Weinheim, DE
Alfons Butscher · Birkenau, DE
Peter Spissinger · Prüm, DE

Key dates

Filing date	Aug 3, 2001
Grant date	Sep 6, 2005
Priority date	—
Expiry date	Aug 5, 2022

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/24736
WIPO fieldOther consumer goods
WIPO sectorOther fields

Abstract

A floor covering made of an elastomer material having a relief-type patterned surface (2) which is provided with irregularly distributed indentations (3), which have an elongated shape, which partially contact and/or intersect each other, and which have a depth (T) of 0.02 mm to 0.2 mm, at a width (B) of 0.2 mm to 2.5 mm and a length (L) of 5 mm to 50 mm.

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