US2686831A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High-definition television system and method
Assignee: General Electric Co
•
Filing: 1950-10-31
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Granted: 1954-08-17
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Expires: 1970-10-31
Abstract
No abstract record available.
Inventors
- 👤 Robert B Dome
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:56
CPC Classifications
H; H04; H04N; H04N11/00; H04N11/06; H04N11/18; H04N11/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1769918A
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US1769920A
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US1769919A
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US1775241A
Cited
US1812405A
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US2095050A
Cited
GB460127A
Cited
US2236502A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-16 | 1958-02-15 | 1958-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-16 | 1962-02-15 | 1962-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-16 | 1966-02-15 | 1966-08-17 | $7700.00 | Window Closed / Lapsed |