Patent US3364295A successfully refreshed from Google Patents.
US3303379A
Expired / Lapsed
US
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Electron discharge devices with magnetic field and magnetic field gradient, crossed,for compelling electrons to follow a cycloidal path
Assignee: Raytheon Co
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Filing: 1963-06-11
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Granted: 1967-02-07
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Expires: 1983-06-11
Abstract
No abstract record available.
Inventors
- 👤 David L Bobroff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:52
CPC Classifications
H; H01; H01J; H01J25/00; H01J25/34; H01J25/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
AN ELECTRON DISCHARGE DEVICE COMPRISING: MEANS EMITTING ELECTRONS IN A SUBSTANTIALLY CYCLOIDAL TRAJECTORY; AND MEANS COMPELLING SAID ELECTRONS TO DRIFT THROUGH AN ELONGATED INTERACTION SPACE FREE OF TRANSVERSE STEADY ELECTRIC FIELDS INCLUDING MEANS PRODUCING A MAGNETIC FIELD DIRECTED TRANSVERSE TO SAID ELECTRON DRIFT, SAID MAGNETIC FIELD VARYING LINEARLY IN A DIRECTION TRANSVERSE TO SAID ELECTRON DRIFT AND TRANSVERSE TO THE DIRECTION OF SAID MAGNETIC FIELD WHEREBY THE DRIFT VELOCITY OF ELECTRONS THROUGH SAID SPACE IS A FUNCTION OF THE CROSS PRODUCT OF THE TRANSVERSE MAGNETIC FIELD GRADIENT AND THE AVERAGE STRENGTH OF THE MAGNETIC FIELD.
Claim 2
Dependent Claim
95 words
AN ELECTRON DISCHARGE DEVICE COMPRISING: MEANS EMITTING ELECTRONS IN A SUBSTANTIALLY CYCLOIDAL TRAJECTORY; AND MEANS COMPELLING SAID ELECTRONS TO DRIFT THROUGH AN ELONGATED INTERACTION SPACE FREE OF TRANSVERSE STEADY ELECTRIC FIELDS INCLUDING MEANS PRODUCING A MAGNETIC FIELD DIRECTED TRANSVERSE TO SAID ELECTRON DRIFT, SAID MAGNETIC FIELD VARYING LINEARLY IN A DIRECTION TRANSVERSE TO SAID ELECTRON DRIFT AND TRANSVERSE TO THE DIRECTION OF SAID MAGNETIC FIELD WHEREBY THE DRIFT VELOCITY OF ELECTRONS THROUGH SAID SPACE IS A FUNCTION OF THE CROSS PRODUCT OF THE TRANSVERSE MAGNETIC FIELD GRADIENT AND THE AVERAGE STRENGTH OF THE MAGNETIC FIELD.
References Cited (Backward Citations)
US2794146A
Cited
US2903578A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-06 | 1970-08-08 | 1971-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-06 | 1974-08-08 | 1975-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-06 | 1978-08-08 | 1979-02-07 | $7700.00 | Window Closed / Lapsed |