Patent · US Expired

Portfolio

USD259075S · kind S · design

14Cited by
4References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 28, 1978
Grant dateMay 5, 1981
Priority date
Expiry dateMay 5, 1995

Classification

  • Technology area (CPC —)General

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