US2654033A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synchronizing circuit
Assignee: General Electric Co
•
Filing: 1948-12-24
•
Granted: 1953-09-29
•
Expires: 1968-12-24
Abstract
No abstract record available.
Inventors
- 👤 Robert B Dome
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:04
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/04; H04N5/12; H04N5/126
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2233198A
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US2233165A
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US2209507A
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US2381238A
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US2483070A
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US2521058A
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US2460112A
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US2471262A
Cited
US2539218A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-28 | 1957-03-30 | 1957-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-28 | 1961-03-30 | 1961-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-28 | 1965-03-30 | 1965-09-29 | $7700.00 | Window Closed / Lapsed |