Patent · US Expired

Score sheet

USD247684S · kind S · design

13Cited by
2References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 11, 1975
Grant dateApr 4, 1978
Priority date
Expiry dateApr 4, 1992

Classification

  • Technology area (CPC —)General

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