US3287629A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gyromagnetic resonance methods and apparatus
Assignee: Varian Medical Systems Inc
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Filing: 1963-07-15
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Granted: 1966-11-22
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Expires: 1983-07-15
Abstract
No abstract record available.
Inventors
- 👤 Russell H Varian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:45
CPC Classifications
G; G01; G01R; G01R33/00; G01R33/20; G01R33/44; G01R33/46
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
THE METHOD OF EMPLOYING GYROMAGNETIC PRECESSION IN A POLARIZING FIELD FOR THE CONTROL OF A PROCESS WHICH COMPRISES PASSING AT LEAST A PORTION OF ONE OF THE SUBSTANCES OF THE PROCESS THROUGH THE COUPLED PORTIONS OF THE OUTPUT-INPUT NETWORKS OF A GYROMAGNETIC OSCILLATOR, TAKING A PORTION OF THE OUTPUT SIGNAL, IF ANY, EMANATING FROM THE GYROMAGNETIC OSCILLATOR, AND DERIVING FROM SAID OUTPUT SIGNAL A CONTROL SIGNAL FOR CONTROLLING CERTAIN PORTIONS OF THE PROCESS.
Claim 2
Independent Claim
73 words
THE METHOD OF EMPLOYING GYROMAGNETIC PRECESSION IN A POLARIZING FIELD FOR THE CONTROL OF A PROCESS WHICH COMPRISES PASSING AT LEAST A PORTION OF ONE OF THE SUBSTANCES OF THE PROCESS THROUGH THE COUPLED PORTIONS OF THE OUTPUT-INPUT NETWORKS OF A GYROMAGNETIC OSCILLATOR, TAKING A PORTION OF THE OUTPUT SIGNAL, IF ANY, EMANATING FROM THE GYROMAGNETIC OSCILLATOR, AND DERIVING FROM SAID OUTPUT SIGNAL A CONTROL SIGNAL FOR CONTROLLING CERTAIN PORTIONS OF THE PROCESS.
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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) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |