US2946914A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for producing and manipulating plasmas
Assignee: Individual
•
Filing: 1958-06-16
•
Granted: 1960-07-26
•
Expires: 1978-06-16
Abstract
No abstract record available.
Inventors
- 👤 Stirling A Colgate
- 👤 John P Ferguson
- 👤 Harold P Furth
- 👤 Robert E Wright
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:23
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)
US2512301A
Cited
US2669609A
Cited
US2652532A
Cited
US2690521A
Cited
US2690515A
Cited
US2826708A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-26 | 1964-01-25 | 1964-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-26 | 1968-01-25 | 1968-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-26 | 1972-01-25 | 1972-07-26 | $7700.00 | Window Closed / Lapsed |