Patent · US Expired

Universal flapper

USD638917S1 · kind S1 · design

0Cited by
14References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 22, 2010
Grant dateMay 31, 2011
Priority date
Expiry dateMay 31, 2025

Classification

  • Technology area (CPC —)General

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