Patent · US Expired

Alignment markings for lens blanks

USD545848S1 · kind S1 · design

0Cited by
1References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 14, 2006
Grant dateJul 3, 2007
Priority date
Expiry dateJul 3, 2021

Classification

  • Technology area (CPC —)General

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