Patent · US Expired

Adjustable support surface for holding reference or printout material

USD271501S · kind S · design

21Cited by
5References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 31, 1981
Grant dateNov 22, 1983
Priority date
Expiry dateNov 22, 1997

Classification

  • Technology area (CPC —)General

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