Patent US2907704A successfully refreshed from Google Patents.
US2907704A
Expired / Lapsed
US
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Electron irradiation
Assignee: High Voltage Engineering Corp
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Filing: 1957-07-19
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Granted: 1959-10-06
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Expires: 1977-07-19
Abstract
No abstract record available.
Inventors
- 👤 John G Trump
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:04
CPC Classifications
H; H01; H01J; H01J33/00; H01J33/02; H01J33/04; G; G21; G21K; G21K5/00; G21K5/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
THE METHOD OF IRRADIATING WITH ARTICIALLY ACCELERATED ELECTRONS MATTER WHICH TENDS TO COAGNULATE OR DEGENERATE OR TO CAUSE CORROSION AT THE ELECTRON WINDOW WHICH METHOD COMPRISES: PRODUCING A BEAM OF HIGHENERGY ELECTRONS IN VACUO, DIRECTING SAID BEAM OUT OF SAID VACUUM THROUGH AN ELECTRON WINDOW AND THENCE DIRECTING SAID BEAM ONTO SAID MATTER THROUGH A SOLID ELECTRONPERMEABLE SHEET WHICH COVERS SAID ELECTRON WINDOW, AND IMPARTING STRANSLATIONAL MOTION TO SAID SHEET ALONT ITS OWN PLANE SUCH THAT THE ACCUMULATAED DEPOSITS FORMED ON THE SURFACE OF THE SHEET ARE REMOVED FROM THE PATH OF THE ELECTRON BEAM.
Claim 2
Independent Claim
95 words
THE METHOD OF IRRADIATING WITH ARTICIALLY ACCELERATED ELECTRONS MATTER WHICH TENDS TO COAGNULATE OR DEGENERATE OR TO CAUSE CORROSION AT THE ELECTRON WINDOW WHICH METHOD COMPRISES: PRODUCING A BEAM OF HIGHENERGY ELECTRONS IN VACUO, DIRECTING SAID BEAM OUT OF SAID VACUUM THROUGH AN ELECTRON WINDOW AND THENCE DIRECTING SAID BEAM ONTO SAID MATTER THROUGH A SOLID ELECTRONPERMEABLE SHEET WHICH COVERS SAID ELECTRON WINDOW, AND IMPARTING STRANSLATIONAL MOTION TO SAID SHEET ALONT ITS OWN PLANE SUCH THAT THE ACCUMULATAED DEPOSITS FORMED ON THE SURFACE OF THE SHEET ARE REMOVED FROM THE PATH OF THE ELECTRON BEAM.
References Cited (Backward Citations)
US2724059A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-05 | 1963-04-06 | 1963-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-05 | 1967-04-06 | 1967-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-05 | 1971-04-06 | 1971-10-06 | $7700.00 | Window Closed / Lapsed |