Patent · US Active

Face mask

USD689603S1 · kind S1 · design

11Cited by

8References

1Claims

0Family size

Assignee

HUMEDICS GMBH · DE

Inventor

Martin Stockmann · Berlin, DE

Key dates

Filing date	Oct 4, 2011
Grant date	Sep 10, 2013
Priority date	—
Expiry date	Sep 10, 2027

Classification

Technology area (CPC —)General

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