Patent · US Expired

Balanced light for drafting tables

USD280030S · kind S · design

13Cited by
6References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 7, 1982
Grant dateAug 6, 1985
Priority date
Expiry dateAug 6, 1999

Classification

  • Technology area (CPC —)General

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