US2604535A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synchronizing and phasing system for television recorders
Assignee: General Precision Laboratory Inc
•
Filing: 1948-12-01
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Granted: 1952-07-22
•
Expires: 1968-12-01
Abstract
No abstract record available.
Inventors
- 👤 Raymond L Garman
- 👤 John K Mckendry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:42
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/76; H04N5/84; H04N5/843; H04N5/846
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB439994A
Cited
US1832309A
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US2212447A
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US2251786A
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US2371905A
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US2373114A
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US2404839A
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FR883910A
Cited
US2486717A
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US2455323A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-22 | 1956-01-21 | 1956-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-22 | 1960-01-21 | 1960-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-22 | 1964-01-21 | 1964-07-22 | $7700.00 | Window Closed / Lapsed |