Patent · US Expired

Tableware and decorative articles with a surface of silver

US4407875A · kind A · utility

1Cited by

10References

9Claims

0Family size

Assignee

Wurttemberqische Metallwarenfabrik AG. · DE

Inventors

Hans Schlegel · Minneapolis, US
Theodor Nowotny · Geislingen, DE
Rolf Mayer

Key dates

Filing date	Jun 4, 1981
Grant date	Oct 4, 1983
Priority date	—
Expiry date	Jun 4, 2001

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/3192
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

A double coating for the protection of a silver surface article is disclosed. A protective varnish coating, enclosing an inner varnish layer on the silver surface, intimately adheres to and is removable from said inner varnish layer.

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