Patent · US Expired

Backpack for a breast pump

USD457307S1 · kind S1 · design

144Cited by
23References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 26, 2001
Grant dateMay 21, 2002
Priority date
Expiry dateMay 21, 2016

Classification

  • Technology area (CPC —)General

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