Patent · US Expired

Portable file box

USD338238S · kind S · design

9Cited by
8References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 30, 1991
Grant dateAug 10, 1993
Priority date
Expiry dateAug 10, 2007

Classification

  • Technology area (CPC —)General

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