Patent US3539295A successfully refreshed from Google Patents.
Patent US2438359A successfully refreshed from Google Patents.
US2438359A
Expired / Lapsed
US
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Television receiver circuits and apparatus
Assignee: Lanteris Space LLC
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Filing: 1946-08-01
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Granted: 1948-03-23
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Expires: 1966-08-01
Abstract
No abstract record available.
Inventors
- 👤 Richard G Clapp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:23
CPC Classifications
H; H04; H04N; H04N3/00; H04N3/10; H04N3/16; H04N3/22; H04N3/223
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2210303A
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US2018626A
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US2074495A
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US2223990A
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US2182071A
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US2291780A
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US2255680A
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US2310323A
Cited
US2320483A
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US2417097A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-03-23 | 1951-09-22 | 1952-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-03-23 | 1955-09-22 | 1956-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-03-23 | 1959-09-22 | 1960-03-23 | $7700.00 | Window Closed / Lapsed |