Patent · US Expired

Portable digital media player

USD539811S1 · kind S1 · design

29Cited by
39References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 12, 2005
Grant dateApr 3, 2007
Priority date
Expiry dateApr 3, 2021

Classification

  • Technology area (CPC —)General

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