US2843655A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Subscription television with scrambled transmission and marquee and barker
Assignee: INTERNATIONAL TELEMETER CORP
•
Filing: 1951-12-03
•
Granted: 1958-07-15
•
Expires: 1971-12-03
Abstract
No abstract record available.
Inventors
- 👤 Robert E Gottfried
- 👤 Allen D Hoffmann
- 👤 Louis N Ridenour
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:37
CPC Classifications
H; H04; H04N; H04N7/00; H04N7/16; H04N7/162; H04N7/163; H04N7/164
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2164297A
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US2224702A
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US2251301A
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US2405252A
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US2414101A
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US2510046A
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US2547598A
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US2567539A
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US2570187A
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US2656407A
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US2607847A
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US2573349A
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US2731620A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-14 | 1962-01-13 | 1962-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-14 | 1966-01-13 | 1966-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-14 | 1970-01-13 | 1970-07-15 | $7700.00 | Window Closed / Lapsed |