Patent US3252111A successfully refreshed from Google Patents.
US3252111A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulsed ferromagnetic microwave generator
Assignee: Varian Medical Systems Inc
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Filing: 1962-04-24
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Granted: 1966-05-17
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Expires: 1982-04-24
Abstract
No abstract record available.
Inventors
- 👤 Marcel W Muller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 04:03
CPC Classifications
H; H03; H03L; H03L7/00; H03L7/26
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
96 words
APPARATUS FOR GENERATING HIGH FREQUENCY POWER COMPRISING: A CRYSTALLINE ANISOTROPIC MATERIAL HAVING DIRECTIONS OF EASY MAGNETIZATION IN AT LEAST FIRST AND SECOND DIRECTION; A CAVITY RESONATOR HAVING AN END WALL, SAID MATERIAL BEING MOUNTED ON SUCH WALL WITHIN SAID RESONATOR AT A LOCATION OF MAXIMUM MAGNETIC FIELD THAT IS ESTABLISHED BY TUNING SAID RESONATOR TO A RESONANT MODE AT THE FREQUENCY OF PRECESSION OF SAID MATERIAL; AND MEANS FOR PULSING SAID MATERIAL, INCLUDING FIRST, SECOND AND THIRD COIL MEANS, SAID FIRST AND SECOND COIL MEANS DISPOSED ORTHOGONALLY, SAID FIRST COIL MEANS SERVING TO ESTABLISH A MAG-
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) | 1969-05-16 | 1969-11-15 | 1970-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-16 | 1973-11-15 | 1974-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-16 | 1977-11-15 | 1978-05-17 | $7700.00 | Window Closed / Lapsed |