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US2920236A
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Apparatus for heating ions
Assignee: Individual
•
Filing: 1959-04-24
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Granted: 1960-01-05
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Expires: 1979-04-24
Abstract
No abstract record available.
Inventors
- 👤 Edmund S Chambers
- 👤 Alper A Garren
- 👤 Dean O Kippenhan
- 👤 William A S Lamb
- 👤 Jr Robert J Riddell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:28
CPC Classifications
H; H05; H05H; H05H1/00; H05H1/02; H05H1/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2831996A
Cited
US2892114A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-04 | 1963-07-06 | 1964-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-04 | 1967-07-06 | 1968-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-04 | 1971-07-06 | 1972-01-05 | $7700.00 | Window Closed / Lapsed |