Patent US2984750A successfully refreshed from Google Patents.
US2984750A
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Modified optical system for off-axis flying-spot scanners
Assignee: AT&T Inc
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Filing: 1958-07-31
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Granted: 1961-05-16
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Expires: 1978-07-31
Abstract
No abstract record available.
Inventors
- 👤 Donald R Herriott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:27
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/222; H04N5/257
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2183717A
Cited
US2199066A
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US2415191A
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US2654027A
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US2703150A
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US2830285A
Cited
US2903598A
Cited
US2903582A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-15 | 1964-11-14 | 1965-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-15 | 1968-11-14 | 1969-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-15 | 1972-11-14 | 1973-05-16 | $7700.00 | Window Closed / Lapsed |