Patent US3066252A successfully refreshed from Google Patents.
US3066252A
Expired / Lapsed
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Magnetic field measuring methods and apparatus
Assignee: Varian Medical Systems Inc
•
Filing: 1959-01-22
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Granted: 1962-11-27
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Expires: 1979-01-22
Abstract
No abstract record available.
Inventors
- 👤 John M Drake
- 👤 Robert H Watson
- 👤 Donald M Patterson
- 👤 Justin F Mccraigh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:39
CPC Classifications
G; G01; G01R; G01R33/00; G01R33/20; G01R33/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2304813A
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US2501591A
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US2745010A
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US2756331A
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US2755384A
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US2859346A
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US2772391A
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US2816229A
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US2845538A
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US2946018A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-26 | 1966-05-28 | 1966-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-26 | 1970-05-28 | 1970-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-26 | 1974-05-28 | 1974-11-27 | $7700.00 | Window Closed / Lapsed |