Patent · US Expired

Anti-theft electrical socket for four pin U-shaped fluorescent lamp

USD297529S · kind S · design

7Cited by
3References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 23, 1985
Grant dateSep 6, 1988
Priority date
Expiry dateSep 6, 2002

Classification

  • Technology area (CPC —)General

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