Patent US2906816A successfully refreshed from Google Patents.
US2906816A
Expired / Lapsed
US
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Method and apparatus for reducing television bandwidth
Assignee: AT&T Inc
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Filing: 1956-07-24
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Granted: 1959-09-29
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Expires: 1976-07-24
Abstract
No abstract record available.
Inventors
- 👤 Ernest R Kretzmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:37
CPC Classifications
H; H04; H04N; H04N7/00; H04N7/12; H04N7/122
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1671151A
Cited
US1735037A
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US2250476A
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US2219021A
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US2306435A
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US2652449A
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US2786887A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-28 | 1963-03-30 | 1963-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-28 | 1967-03-30 | 1967-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-28 | 1971-03-30 | 1971-09-29 | $7700.00 | Window Closed / Lapsed |