Patent US3037091A successfully refreshed from Google Patents.
US3037091A
Expired / Lapsed
US
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Wide frequency band recording and reproducing system
Assignee: Telefunken AG
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Filing: 1959-06-29
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Granted: 1962-05-29
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Expires: 1979-06-29
Abstract
No abstract record available.
Inventors
- 👤 Rothe Paul-Gerhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:19
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/76; H04N5/91; H04N5/92; H04N5/921
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2629784A
Cited
US2532917A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-28 | 1965-11-27 | 1966-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-28 | 1969-11-27 | 1970-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-28 | 1973-11-27 | 1974-05-29 | $7700.00 | Window Closed / Lapsed |