Patent US2804498A successfully refreshed from Google Patents.
US2804498A
Expired / Lapsed
US
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Gamma control for flying spot scanner
Assignee: Pye Electronic Products Ltd
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Filing: 1951-10-12
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Granted: 1957-08-27
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Expires: 1971-10-12
Abstract
No abstract record available.
Inventors
- 👤 Theile Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:53
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/222; H04N5/257
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB435749A
Cited
US2227492A
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GB483935A
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US2188679A
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US2258762A
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US2530275A
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US2480425A
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US2480423A
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US2480424A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-08-26 | 1961-02-25 | 1961-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-26 | 1965-02-25 | 1965-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-26 | 1969-02-25 | 1969-08-27 | $7700.00 | Window Closed / Lapsed |