US3407268A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Television scanning system utilizing feedback for contrast compensation
Assignee: Robert Bosch Fernsehanlagen GmbH
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Filing: 1964-06-30
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Granted: 1968-10-22
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Expires: 1984-06-30
Abstract
No abstract record available.
Inventors
- 👤 Sennhenn Emil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:30
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/222; H04N5/253; H04N23/00; H04N23/70; H04N23/71; H04N23/74
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-22 | 1972-04-22 | 1972-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-22 | 1976-04-22 | 1976-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-22 | 1980-04-22 | 1980-10-22 | $7700.00 | Window Closed / Lapsed |