Patent US3394288A successfully refreshed from Google Patents.
US3394288A
Expired / Lapsed
US
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Circuit arrangement of a superstabilizer of a magnetic field
Assignee: Czech Academy of Sciences
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Filing: 1965-05-17
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Granted: 1968-07-23
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Expires: 1985-05-17
Abstract
No abstract record available.
Inventors
- 👤 Dadok Josef
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:57
CPC Classifications
G; G05; G05F; G05F7/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3179878A
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US3039045A
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US3287629A
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US2979641A
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US3191118A
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US3137813A
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US3103623A
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US3257608A
Cited
US3080507A
Cited
US3239752A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-23 | 1972-01-22 | 1972-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-23 | 1976-01-22 | 1976-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-23 | 1980-01-22 | 1980-07-23 | $7700.00 | Window Closed / Lapsed |