Patent US2961559A successfully refreshed from Google Patents.
US2961559A
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US
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Methods and means for obtaining hydromagnetically accelerated plasma jet
Assignee: Individual
•
Filing: 1959-08-28
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Granted: 1960-11-22
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Expires: 1979-08-28
Abstract
No abstract record available.
Inventors
- 👤 Jr John Marshall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:48
CPC Classifications
H; H05; H05H; H05H1/00; H05H1/24; H05H1/52
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2817032A
Cited
US2920228A
Cited
US2826709A
Cited
US2816243A
Cited
US2880337A
Cited
US2892114A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-22 | 1964-05-23 | 1964-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-22 | 1968-05-23 | 1968-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-22 | 1972-05-23 | 1972-11-22 | $7700.00 | Window Closed / Lapsed |