US3517259A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lamp socket including an electrical control circuit for regulating lamp current
Assignee: Duracell Inc USA
•
Filing: 1968-02-19
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Granted: 1970-06-23
•
Expires: 1988-02-19
Abstract
No abstract record available.
Inventors
- 👤 Gianni A Dotto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:06
CPC Classifications
H; H05; H05B; H05B39/00; H05B39/04; H05B39/08; H05B39/083; H01; H01R; H01R33/00; H01R33/94; Y; Y10; Y10S; Y10S323/00; Y10S323/905
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1995879A
Cited
US2683787A
Cited
US3103618A
Cited
US3213349A
Cited
US3300711A
Cited
US3346874A
Cited
US3331013A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-22 | 1973-12-22 | 1974-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-22 | 1977-12-22 | 1978-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-22 | 1981-12-22 | 1982-06-23 | $7700.00 | Window Closed / Lapsed |