US2498488A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Television intercarrier or sound receiver circuit
Assignee: General Electric Co
•
Filing: 1946-06-14
•
Granted: 1950-02-21
•
Expires: 1966-06-14
Abstract
No abstract record available.
Inventors
- 👤 George W Fyler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:50
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/44; H04N5/60; H04N5/62
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1681564A
Cited
US1495470A
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US1735134A
Cited
US1797317A
Cited
US2056607A
Cited
US2186455A
Cited
US2403957A
Cited
US2448908A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-20 | 1953-08-22 | 1954-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-20 | 1957-08-22 | 1958-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-20 | 1961-08-22 | 1962-02-21 | $7700.00 | Window Closed / Lapsed |