Patent · US Expired

Security light switch with built-in time display and on/off switch or a similar article

USD278529S · kind S · design

61Cited by
4References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 14, 1982
Grant dateApr 23, 1985
Priority date
Expiry dateApr 23, 1999

Classification

  • Technology area (CPC —)General

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