US2913518A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Subscription television
Assignee: Zenith Electronics LLC
•
Filing: 1953-01-02
•
Granted: 1959-11-17
•
Expires: 1973-01-02
Abstract
No abstract record available.
Inventors
- 👤 Jack E Bridges
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:07
CPC Classifications
H; H04; H04N; H04N7/00; H04N7/16; H04N7/167
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2510046A
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US2566764A
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US2656406A
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US2567545A
Cited
US2656409A
Cited
US2678347A
Cited
US2770803A
Cited
US2809231A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-16 | 1963-05-18 | 1963-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-16 | 1967-05-18 | 1967-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-16 | 1971-05-18 | 1971-11-17 | $7700.00 | Window Closed / Lapsed |