Patent · US Expired

Timer with sound and light activation

USD298417S · kind S · design

7Cited by
6References
1Claims
0Family size

Assignees

Inventors

Key dates

Filing dateSep 9, 1986
Grant dateNov 8, 1988
Priority date
Expiry dateNov 8, 2002

Classification

  • Technology area (CPC —)General

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