Patent · US Expired

Room projector

USD491972S1 · kind S1 · design

13Cited by
7References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 23, 2003
Grant dateJun 22, 2004
Priority date
Expiry dateJun 22, 2018

Classification

  • Technology area (CPC —)General

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