Patent · US Expired

Electric sulphur evaporator

USD622813S1 · kind S1 · design

4Cited by

33References

1Claims

0Family size

Assignee

Elstein-Werk M. Steinmetz GmbH & Co. KG · DE

Inventors

Peter Sewzyk · Paderborn, DE
Wolfgang Erdmann · Buxtehude, DE

Key dates

Filing date	Jan 4, 2008
Grant date	Aug 31, 2010
Priority date	—
Expiry date	Aug 31, 2024

Classification

Technology area (CPC —)General

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