US2629010A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Television system having reduced transmission bandwidth
Assignee: AT&T Inc
•
Filing: 1949-12-30
•
Granted: 1953-02-17
•
Expires: 1969-12-30
Abstract
No abstract record available.
Inventors
- 👤 Robert E Graham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:03
CPC Classifications
H; H04; H04N; H04N7/00; H04N7/12; H04N7/127
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB266591A
Cited
GB324399A
Cited
US1769920A
Cited
US2293899A
Cited
US2381901A
Cited
US2454652A
Cited
FR906982A
Cited
FR928783A
Cited
US2381902A
Cited
FR932934A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-02-17 | 1956-08-18 | 1957-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-17 | 1960-08-18 | 1961-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-17 | 1964-08-18 | 1965-02-17 | $7700.00 | Window Closed / Lapsed |