Patent US2683216A successfully refreshed from Google Patents.
US2683216A
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Apparatus for accelerating charged particles by causing them to pass through periodically reversing potential fields
Assignee: BBC Brown Boveri AG Germany
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Filing: 1947-08-06
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Granted: 1954-07-06
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Expires: 1967-08-06
Abstract
No abstract record available.
Inventors
- 👤 Wideroe Rolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:15
CPC Classifications
H; H05; H05H; H05H9/00; H05H13/00; H05H13/04; H05H7/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1957-07-05 | 1958-01-04 | 1958-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-05 | 1962-01-04 | 1962-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-05 | 1966-01-04 | 1966-07-06 | $7700.00 | Window Closed / Lapsed |