Patent US2587419A successfully refreshed from Google Patents.
US2587419A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Television tuner
Assignee: Lytle Engineering & Manufacturing Co
•
Filing: 1949-05-20
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Granted: 1952-02-26
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Expires: 1969-05-20
Abstract
No abstract record available.
Inventors
- 👤 Neil E Washburn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:35
CPC Classifications
H; H03; H03H; H03H5/00; H03H5/006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1951542A
Cited
US2246928A
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US2341345A
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US2471523A
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US2367681A
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US2521963A
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US2471705A
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US2503579A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-25 | 1955-08-27 | 1956-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-25 | 1959-08-27 | 1960-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-25 | 1963-08-27 | 1964-02-26 | $7700.00 | Window Closed / Lapsed |