Patent · US Expired

Fire detector

USD243321S · kind S · design

3Cited by
2References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 2, 1975
Grant dateFeb 8, 1977
Priority date
Expiry dateFeb 8, 1991

Classification

  • Technology area (CPC —)General

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