US3435431A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multipulse current driver comprised of a plurality of stages,each of which has a high q at resonance
Assignee: SRI International Inc
•
Filing: 1965-02-08
•
Granted: 1969-03-25
•
Expires: 1985-02-08
Abstract
No abstract record available.
Inventors
- 👤 Clarence H Heckler
- 👤 James A Baer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:27
CPC Classifications
H; H03; H03K; H03K5/00; H03K5/15; H03K5/15013; H03K5/15026; H03K5/15046; H03K3/00; H03K3/02; H03K3/45
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2758221A
Cited
US3219987A
Cited
GB845445A
Cited
US3046419A
Cited
US3193693A
Cited
US3211915A
Cited
US3329830A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-24 | 1972-09-23 | 1973-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-24 | 1976-09-23 | 1977-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-24 | 1980-09-23 | 1981-03-25 | $7700.00 | Window Closed / Lapsed |