US3378736A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diode packaging with integral heat sink
Assignee: Duracell Inc USA
•
Filing: 1965-10-20
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Granted: 1968-04-16
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Expires: 1985-10-20
Abstract
No abstract record available.
Inventors
- 👤 John S Vale
- 👤 Daniel I Pomerantz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:50
CPC Classifications
H; H10; H10W; H10W42/00; H01; H01M; H01M10/00; H01M10/42; H01M10/46; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-16 | 1971-10-16 | 1972-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-16 | 1975-10-16 | 1976-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-16 | 1979-10-16 | 1980-04-16 | $7700.00 | Window Closed / Lapsed |