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US2951898A
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Assignee: General Electric Co
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Filing: 1953-05-25
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Granted: 1960-09-06
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Expires: 1973-05-25
Abstract
No abstract record available.
Inventors
- 👤 John E Jacobs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:42
CPC Classifications
H; H01; H01J; H01J31/00; H01J31/08; H01J31/26; H01J31/28; H01J31/30; H01J29/00; H01J29/02; H01J29/10; H01J29/36; H01J29/39
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2169840A
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US2319195A
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US2423124A
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US2442287A
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GB604198A
Cited
US2517807A
Cited
US2555545A
Cited
US2555424A
Cited
US2612610A
Cited
US2654853A
Cited
US2523132A
Cited
US2747131A
Cited
US2645721A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-06 | 1964-03-07 | 1964-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-06 | 1968-03-07 | 1968-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-06 | 1972-03-07 | 1972-09-06 | $7700.00 | Window Closed / Lapsed |