Patent · US Expired

Battery charger

USD331220S · kind S · design

46Cited by
8References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateAug 7, 1989
Grant dateNov 24, 1992
Priority date
Expiry dateNov 24, 2006

Classification

  • Technology area (CPC —)General

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