Patent US3424937A successfully refreshed from Google Patents.
US3424937A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electron image correlator tube
Assignee: Goodyear Aerospace Corp
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Filing: 1965-01-08
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Granted: 1969-01-28
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Expires: 1985-01-08
Abstract
No abstract record available.
Inventors
- 👤 Wilford L Steiner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 08:39
CPC Classifications
H; H01; H01J; H01J31/00; H01J31/08; H01J31/26; H01J31/28; H01J31/286; G; G01; G01S; G01S7/00; G01S7/02; G01S7/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2254617A
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US2297547A
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US2526682A
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US2786157A
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US2836755A
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US2992359A
Cited
US2898499A
Cited
US3290546A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-28 | 1972-07-29 | 1973-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-28 | 1976-07-29 | 1977-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-28 | 1980-07-29 | 1981-01-28 | $7700.00 | Window Closed / Lapsed |