US3430564A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Explosive gate,diode and switch
Assignee: United States Department of the Navy
•
Filing: 1967-05-03
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Granted: 1969-03-04
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Expires: 1987-05-03
Abstract
No abstract record available.
Inventors
- 👤 Denis A Silvia
- 👤 Richard T Ramsey
- 👤 John H Spencer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:58
CPC Classifications
F; F15; F15C; F15C1/00; F15C1/006; F42; F42D; F42D1/00; F42D1/04; F42D1/042; H; H03; H03K; H03K19/00; Y; Y10; Y10S; Y10S102/00; Y10S102/701
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-03 | 1972-09-02 | 1973-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-03 | 1976-09-02 | 1977-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-03 | 1980-09-02 | 1981-03-04 | $7700.00 | Window Closed / Lapsed |