US2961557A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for creating by induction an electric discharge in a gas at low pressure
Assignee: Commissariat à l'Énergie Atomique et Aux Énergies Alternatives
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Filing: 1958-06-09
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Granted: 1960-11-22
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Expires: 1978-06-09
Abstract
No abstract record available.
Inventors
- 👤 Hubert Pierre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:12
CPC Classifications
H; H05; H05H; H05H1/00; H05H1/02; H05H1/10; H05H1/12; Y; Y02; Y02E; Y02E30/00; Y02E30/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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 |