Patent US3066541A successfully refreshed from Google Patents.
US3066541A
Expired / Lapsed
US
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Eddy current instrument
Assignee: Stewart Warner Corp
•
Filing: 1959-09-14
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Granted: 1962-12-04
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Expires: 1979-09-14
Abstract
No abstract record available.
Inventors
- 👤 William L Ronney
- 👤 Zargarpur Rouholah
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:01
CPC Classifications
G; G01; G01P; G01P3/00; G01P3/42; G01P3/44; G01P3/49; G01P3/495; G01P3/4953
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1611089A
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US2648019A
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US2909365A
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US2798174A
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US2902612A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-03 | 1966-06-04 | 1966-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-03 | 1970-06-04 | 1970-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-03 | 1974-06-04 | 1974-12-04 | $7700.00 | Window Closed / Lapsed |