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Patent US2472165A successfully refreshed from Google Patents.
US2472165A
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Automatic focus control for cathode-ray tubes
Assignee: Lanteris Space LLC
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Filing: 1947-04-29
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Granted: 1949-06-07
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Expires: 1967-04-29
Abstract
No abstract record available.
Inventors
- 👤 Arthur H Mankin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:20
CPC Classifications
H; H04; H04N; H04N3/00; H04N3/10; H04N3/16; H04N3/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1929067A
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US2134851A
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US2196838A
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US2219902A
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US2310671A
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US2358901A
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US2365476A
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US2430331A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-06-06 | 1952-12-06 | 1953-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-06 | 1956-12-06 | 1957-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-06 | 1960-12-06 | 1961-06-07 | $7700.00 | Window Closed / Lapsed |