Patent · US Expired

Heater

USD557981S1 · kind S1 · design

8Cited by
9References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 21, 2007
Grant dateDec 25, 2007
Priority date
Expiry dateDec 25, 2021

Classification

  • Technology area (CPC —)General

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