US2956169A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ion pulse generation
Assignee: Individual
•
Filing: 1956-12-07
•
Granted: 1960-10-11
•
Expires: 1976-12-07
Abstract
No abstract record available.
Inventors
- 👤 Rutledge F King
- 👤 Charles D Moak
- 👤 Vincent E Parker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:09
CPC Classifications
H; H05; H05H; H05H7/00; H01; H01J; H01J27/00; H01J27/02; H05H5/00; H05H5/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2217197A
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US2287619A
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US2404098A
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US2413668A
Cited
US2691108A
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US2585798A
Cited
GB724441A
Cited
US2867728A
Cited
US2820139A
Cited
US2769094A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-11 | 1964-04-11 | 1964-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-11 | 1968-04-11 | 1968-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-11 | 1972-04-11 | 1972-10-11 | $7700.00 | Window Closed / Lapsed |