Patent · US Expired

Portable, spring-based cone

USD514463S1 · kind S1 · design

40Cited by
18References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 19, 2004
Grant dateFeb 7, 2006
Priority date
Expiry dateFeb 7, 2020

Classification

  • Technology area (CPC —)General

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