Patent US3416072A successfully refreshed from Google Patents.
US3416072A
Expired / Lapsed
US
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Thin film magnetometer employing phase shift discrimination
Assignee: Unisys Corp
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Filing: 1965-04-19
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Granted: 1968-12-10
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Expires: 1985-04-19
Abstract
No abstract record available.
Inventors
- 👤 Richard L Fussell
- 👤 Clifford J Bader
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:54
CPC Classifications
G; G01; G01R; G01R33/00; G01R33/02; G01R33/04; G01R33/05
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2943306A
Cited
US3239754A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-10 | 1972-06-10 | 1972-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-10 | 1976-06-10 | 1976-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-10 | 1980-06-10 | 1980-12-10 | $7700.00 | Window Closed / Lapsed |