Patent US4092881A successfully refreshed from Google Patents.
Patent US3501688A successfully refreshed from Google Patents.
US3501688A
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Gyromagnetic resonance spectrometer programmed for automatic scan and calibration cycles
Assignee: Varian Medical Systems Inc
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Filing: 1967-08-21
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Granted: 1970-03-17
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Expires: 1987-08-21
Abstract
No abstract record available.
Inventors
- 👤 Forrest A Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:17
CPC Classifications
G; G01; G01N; G01N24/00; G01R; G01R33/00; G01R33/20; G01R33/28; G01R33/38; G01R33/387; G01R33/3875; G01R33/389; G01R33/44; G01R33/46; G01R33/48; G01R33/58; G01R33/583
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-16 | 1973-09-15 | 1974-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-16 | 1977-09-15 | 1978-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-16 | 1981-09-15 | 1982-03-17 | $7700.00 | Window Closed / Lapsed |