US2920228A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable output linear accelerator
Assignee: Leland Stanford Junior University
•
Filing: 1954-12-13
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Granted: 1960-01-05
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Expires: 1974-12-13
Abstract
No abstract record available.
Inventors
- 👤 Edward L Ginzton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:45
CPC Classifications
H; H05; H05H; H05H9/00; H05H9/02; H05H7/00; H05H7/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2582186A
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US2636948A
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US2630544A
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US2556978A
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US2698381A
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US2595698A
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US2760103A
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US2651001A
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US2789221A
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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) | 1963-01-04 | 1963-07-06 | 1964-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-04 | 1967-07-06 | 1968-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-04 | 1971-07-06 | 1972-01-05 | $7700.00 | Window Closed / Lapsed |