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Patent US2644104A successfully refreshed from Google Patents.
US2644104A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Television circuit
Assignee: Motorola Solutions Inc
•
Filing: 1951-07-10
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Granted: 1953-06-30
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Expires: 1971-07-10
Abstract
No abstract record available.
Inventors
- 👤 George W Fyler
- 👤 Lawrence J Mattingly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:31
CPC Classifications
H; H04; H04N; H04N3/00; H04N3/10; H04N3/16; H04N3/22; H04N3/223
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1756875A
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US2133919A
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US2136798A
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US2477557A
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US2476854A
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US2513160A
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US2458532A
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US2555830A
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US2536838A
Cited
US2536857A
Cited
US2536839A
Cited
US2611105A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-29 | 1956-12-29 | 1957-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-29 | 1960-12-29 | 1961-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-29 | 1964-12-29 | 1965-06-30 | $7700.00 | Window Closed / Lapsed |