Patent · US Expired

Tracer for spectacle frame rims, with viewing screen

USD581295S1 · kind S1 · design

1Cited by
3References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 15, 2007
Grant dateNov 25, 2008
Priority date
Expiry dateNov 25, 2022

Classification

  • Technology area (CPC —)General

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